Term
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Definition
| Anything that has weight and occupies space |
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Definition
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Definition
| Cubic inches in a cubic foot |
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Definition
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Definition
| The treatment of liquids under pressure and at rest. |
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Term
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Definition
| One cubic foot of water weighs.. |
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Term
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Definition
| One cubic inch of water weighs.. |
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Term
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Definition
| The sum of gauge pressure and atmospheric pressure is.. |
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Term
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Definition
| At sea level, one cubic foot of air weighs.. |
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Term
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Definition
| Atmospheric pressure equals.. |
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Term
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Definition
| Vacuum is usually expressed in.. |
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Term
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Definition
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Term
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Definition
| The density of a cubic inch of material may be found by multiplying its specific gravity by.. |
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Term
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Definition
| The number indicating how many times a certain volume of a material is heavier or lighter than an equal volume of water is called. |
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Term
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Definition
| The device usually used to measure atmospheric pressure is called |
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Term
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Definition
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Term
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Definition
| Specific density of water |
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Term
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Definition
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Term
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Definition
| One gallon of water weighs |
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Term
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Definition
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Term
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Definition
| Latent heat of fusion for water |
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Term
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Definition
| Latent heat of vaporization of water |
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Term
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Definition
| Formula for volume of a rectangular vessel |
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Term
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Definition
| Formula for volume of a cylindrical vessel |
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Term
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Definition
| Pressure exerted by one foot-head of water |
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Term
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Definition
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Term
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Definition
| Density of air at 70 degrees F |
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Term
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Definition
| Boiling point of water degrees F |
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Term
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Definition
| Boiling point of water degrees C |
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Term
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Definition
| Absolute Zero scale for the F scale |
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Term
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Definition
| Absolute Zero for the C scale |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| One ton of Refrigeration is equal to |
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Term
| Convection, Conduction and radiation |
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Definition
| Three types of heat transfer |
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Term
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Definition
| 212oF on the Rankin scale |
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Term
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Definition
| 100oC on the Kelvin scale |
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Term
| Level, Temperature, Flow and Pressure |
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
| F scale and C scale are equal |
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Definition
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Definition
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Definition
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Term
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Definition
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Term
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Definition
| The process of removing moisture from the air |
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Term
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Definition
| Air conditioning carried out for the benefit of human occupants of the condition space is called |
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Term
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Definition
| As performed by air conditioning systems, the process of causing heat to flow from one place to another is commonly referred to as |
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Term
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Definition
| objectionable dryness of the air in a heated room can be relieved by the air conditioning or air treating process called |
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Term
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Definition
| The temperature of a substance indicates the |
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Term
| A given temperature and pressure |
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Definition
| Standard air is so called because it has |
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Term
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Definition
| A water coil generally should be piped to provide what kind of flow? |
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Term
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Definition
| The vapor barrier on exterior wall insulation should be located on the side of the insulation is toward the ______ of the building, and on the ________ of the insulation of a chilled water pipe. |
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Term
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Definition
| Loss of heat from the human body by conduction, convection and radiation involves ________ heat, and heat loss by perspiration involves ________ heat. |
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Term
| Enthalpy, Dry bulb temp and wet bulb temp |
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Definition
| The addition of only sensible heat to air increases its.. |
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Term
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Definition
| On the psychometric chart, the saturation curve represents the line of ____ percent relative humidity. |
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Term
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Definition
| The difference between the DB and the WB thermometer readings is called |
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Term
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Definition
| That pressure existing above a perfect vacuum |
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Term
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Definition
| The measurement of airs ability to absorb moisture. |
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Term
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Definition
| A pound of contains how many grains? |
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Term
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Definition
| The specific heat of standard air is |
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Term
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Definition
| When fluids particles flow along a smooth path the flow is called |
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Term
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Definition
| The term used to denote any process in which there is no change of total heat |
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Term
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Definition
| The transfer of heat by the movement of air |
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Term
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Definition
| As concerns heat transfer surfaces, a finned cooling coil is referred to as the ________ surface, while a bare pipe is the ______ surface. |
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Term
| Lbs. moisture/lb. of dry air |
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Definition
| The units for measuring humidity ratio are |
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Term
| Cooled air, heated air and ventilation air |
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Definition
| Air conditioning is the process of providing a conditioned space with |
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Term
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Definition
| Water evaporated into the atmosphere air causes the air's density to |
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Term
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Definition
| Assuming barometric pressure to be 30 in. Hg, an absolute pressure of 23.7 psia would be equivalent to |
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Term
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Definition
| The heat energy added or removed from a substance during its change of state is known as |
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Term
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Definition
| At sea level, water having a temperature of 180oF is |
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Term
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Definition
| The unit of heat intensity measure is the |
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Term
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Definition
| In order to have heat transfer it is necessary to have |
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Term
|
Definition
| How many grains of moisture are contained in one pound of water? |
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Term
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Definition
| Latent heat is measured in what unit? |
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Term
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Definition
| The unit of measure for the volume occupid by one pound of standard air is? |
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Term
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Definition
| The enthalpy of any fluid is its |
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Term
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Definition
| The amount of heat energy in Btu required to raise the tmperature of any substance 1oF is called |
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Term
| Cunduction, convection and radiation |
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Definition
| Heat can be transferred between and through material by |
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Term
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Definition
| To promote efficient heat transfer between fluids, hydronic coils are normally piped for what flow? |
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Term
| The same as film coefficient |
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Definition
| The surface conductance of building materials is? |
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Term
| Actual infiltration is one half the total of all four wall exposures |
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Definition
| When calculating the air infiltration rate of a building, it is assumed that: |
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Term
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Definition
| The units of U-factor are: |
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Term
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Definition
| Heat is transferred through any solid material within a building wall by |
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Term
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Definition
| When calculating heat transfer rates for heating applications, what outdoor wind velocity is assumed to calculate outdoor surface conductance? |
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Term
| Varies with outdoor wind velocity |
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Definition
| A building's exterior wall boundary layer thickness. |
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Term
| In a manner so that it does not trap moisutre inside the wall |
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Definition
| For greatest efficiency, a vapor barrier should be installed how? |
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Term
| The reciprocal of the heat transfer coefficient |
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Definition
| Thermal resistance, given the symbol R is? |
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Term
| Outside wind pressure and thermal pressure |
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Definition
| Outside air infiltration in buildings is caused by? |
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Term
| Reduce conduction through the window |
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Definition
| Increasing the air space between inner and outer panes of a glass window will.. |
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Term
| The reciprocal of its U-factor |
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Definition
| A building materials's insulating ability known as R value is: |
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Term
|
Definition
| The infiltration air which enters a building is.. |
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Term
| Installed so its vapor barrier is nearest the interior wall |
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Definition
| When a building's outside wall insulation is installed, it should be.. |
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Term
| Greatest with high wind velocity |
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Definition
| The surface conductance of exterior window glass is |
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Term
| Sum of the reciprocals of the R values of the wall's building materials |
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Definition
| Heat flow through building materials is.. |
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Term
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Definition
| Humans will normally feel uncomfortably warm at dry bulb temperatures of. |
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Term
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Definition
| Humans are normally able to detect air movement at velocities of |
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Term
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Definition
| A ton of refrigeration is equal to _____ per day. |
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Term
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Definition
| A ton of refrigeration is equal to _____ per minute. |
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Term
| Depends on the absolute pressure |
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Definition
| The boiling point of a liquid: |
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Term
| Condenser, Evaporator, compressor, metering device |
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Definition
| 4 components of the vapor compression cycle: |
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Term
| Lowering the evaporator pressure |
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Definition
| If the evaporator in a vapor compression cycle is not cold enough, it can be made colder by: |
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Term
| Save the refrigerant for reuse |
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Definition
| The purpose of the condenser in the vapor compression cycle is to: |
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Term
| Heats the refrigerant vapor, reduces evaporator pressure, compresses the refrigerant vapor |
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Definition
| In the vapor compression cycle, the compressor: |
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Term
| can be either a liquid or a gas |
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Definition
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Term
|
Definition
| If a liquid-vapor refrigerant mixture has a quality of 65 percent, it is: |
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Term
| Carbon monoxide, methane, air |
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Definition
| A noncondensable in a refrigeration system can be: |
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Term
|
Definition
| In transferring refrigerant from one cylinder to another, it is a good idea to avoid filling the cylinder more than _____ |
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Term
| A subcooler in the condenser |
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Definition
| A capillary tube in a liquid refrigerant line is: |
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Term
| Heats the refrigerant, increases refrigerant pressure, superheats the refrigerant |
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Definition
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Term
|
Definition
| In a split system, the condensing unit contains the: |
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Term
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Definition
| The expansion device in a vapor compression cycle |
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Term
|
Definition
| The lowest temperature to which a direct-expansion air coil can cool the air is limited by: |
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Term
| A mixture of liquid and saturated vapor |
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Definition
| Refrigerant leaves the expansion valve as: |
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Term
|
Definition
| A shaft seal is required in: |
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Term
|
Definition
| The compressor _______ the condenser pressure |
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Term
|
Definition
| The compressor ________ evaporator pressure |
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Term
|
Definition
| The compressor __________ evaporator temperature |
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Term
|
Definition
| The compressor _________ condenser temperature |
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Term
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Definition
| In the hot gas bypass control method, the system component which is bypassed is: |
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Term
|
Definition
| Two types of mechanical draft towers are: |
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Term
|
Definition
| Receivers are usually required in systems having: |
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Term
| Between the evaporator and compressor |
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Definition
| The lo side float should be located: |
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Term
| There is gas in the liquid |
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Definition
| If a refrigerant sight glass shows bubbles, you know: |
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Term
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Definition
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Term
|
Definition
| The purpose of a suction line accumulator is to: |
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Term
|
Definition
| The proper location for an oil separator is near the: |
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Term
|
Definition
| Which copper tubing is recommended for air conditioning and refrigeration use? |
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Term
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Definition
| Based on noise considerations maximum velocity is: |
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Term
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Definition
| The forces which cause oil to travel through refrigeration piping are ________ and ________. |
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Term
|
Definition
| 2 most frequently used secondary refrigerants: |
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Term
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Definition
| Refrigeration is concerned with the removal of heat, and with the appropriate equipment and procedure, it is possible to refrigerate anything which is warmer than: |
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Term
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Definition
| Traps are needed at the base of vertical liquid lines, vertical vapor lines or both? |
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Term
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Definition
| In vertical risers using traps, an additional trap should be installed for ever ____ feet of elevation change. |
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Term
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Definition
| Minimum velocity for oil entrainment of horizontal lines is: |
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Term
|
Definition
| Minimum velocity for oil entrainment of vertical lines is: |
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Term
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Definition
| In a flooded evaporator water is in the shell and refrigerant is in the tubes. |
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Term
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Definition
| In a direct expansion chiller refrigerant is in the shell and water is in the tubes |
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Term
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Definition
| On a pressure enthalpy diagram a point above which no liquid can exist is called the _______ point |
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Term
| Caused by contaminants in the system |
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Definition
| Copper plating of compressor parts is: |
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Term
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Definition
| Never use ammonia with copper or brass |
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Term
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Definition
| An oil seperator is needed on systems using: |
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Term
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Definition
| ________ are powered by electricity and use refrigerants to cool the air |
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Term
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Definition
| Since the greatest amount of body heat is lost by __________, it is logical that the system that most satisfactorily controls this loss is best able to create a comfort condition. |
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Term
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Definition
| Hydronic heating and cooling is efficient because the ________ of water circulating through the system is automatically increased or decreased to meet varying weather conditions. |
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Term
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Definition
| Far less water than air is needed to distribute the same amount of heat meaning that hydronic water distribution can use piping that is ______ the equivalent of air ductowork |
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Term
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Definition
| In a hydronic system, boiler water temperature is usually maintained at ________ so heat can be immediately delivered to the tank. |
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Term
|
Definition
| Examples of __________ units are unit heaters and fan coil terminal units |
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Term
|
Definition
| A ______ hydronic system is a hydronic system that is, at some point, open to the atmosphere |
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Term
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Definition
| A system that uses a single main for both the supply and return. |
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Term
|
Definition
| For a given temperature rise, liquids can absorb almost _______ times more heat than the same volume of air |
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Term
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Definition
| This type of system uses one pipe for the supply and one for the return. |
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Term
|
Definition
| ______ is the transfer of heat in which heat is moved from one location to another through the circulation of a fluid, such as air or water. |
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Term
|
Definition
| When a vapor is heated to a temperature higher than is boiling point, it is said to be... |
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Term
|
Definition
| ________ Forces or pressures occur when a fluid is not moving but is at rest |
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Term
|
Definition
| a ________ pressure gauge is a mechanical pressure gauge with a curved tube made of thin metal that acts as a pressure sensing element. |
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Term
|
Definition
| The first hydronic heating systems are known as _______ hydronic systems |
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Term
|
Definition
| The _________, which in hydronic system design occurs in fairly large, whole numbers, eliminates the need for fractional values in calculations. |
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Term
|
Definition
| Heat transfer is the flow of heat from one object or substance to another, and it occurs because of a difference in ___________. |
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Term
|
Definition
| A _____ thermometer is an instrument designed to measure temperature using a circular scale and pointer. |
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Term
|
Definition
| A ________ thermometer, also called a glass stem thermometer, is commonly referred to as simply a thermometer without specifying an particular type of thermometer. |
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Term
|
Definition
| Instruments for measuring and indicating or recording relative humidity are called |
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Term
|
Definition
| This is the exchange of thermal radiation energy between two or more objects. |
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Term
|
Definition
| Pressure drops is caused by _____ in pipes. |
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Term
|
Definition
| A ______ system is a piping system that circulates HTF through a single main in which each terminal unit serves as a portion of the main. |
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Term
|
Definition
| A diversion fitting is a fitting that creates a greater than normal _________ in a line in order to divert flow to another line |
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Term
|
Definition
| a ______ pipe system is used where each terminal unit or zone may heat or cool independently of all other units or zones. |
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Term
|
Definition
| The monoflo or diversion tee should only be used in this system. |
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Term
|
Definition
| The average low pressure water boiler is constructed for a maximum working pressure of _______ psig. |
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Term
|
Definition
| A Compression tank is a thermal expansion and air capture component that performs _______ important functions in a hydronic heating system. |
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Term
|
Definition
| A _______ heat exchanger is an external tube type heat exchanger that consists of a large pressure vessel with multiple tubes that run through it. |
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Term
|
Definition
| A ______ boiler, a variation of the fire tube boiler, utilizes a central fluid backed cylindrical combustion chamber surrounded by fire tubes accommodating two or more flue gas passes. |
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Term
|
Definition
| PEX-AL-PEX is composite tubing made of ________ layers. |
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Term
|
Definition
| a ______ control valve is a silent, efficient, nonelectric control valve that provides reliable temperature control for a hydronic terminal unit |
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Term
|
Definition
| a ________ flow meter is a flow meter that measures the displacement of a tapered piston or float. |
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Term
|
Definition
| The 2G position in pipe welding is one where the axis of the pipe is in the _____ position |
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Term
|
Definition
| When installing a pigtail before a temperature gauge in a steam system it should be _______ before the gauge is installed. |
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Term
|
Definition
| As the pressure of saturated steam increases, the latent heat will _______. |
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Term
|
Definition
| A thermostatic steam trap that fails in the closed position would cause a heating unit to become _________. |
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Term
| Temperature, PH value and oxygen content |
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Definition
| Which of the following is a factor in influencing the corrosion of steel? |
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Term
| Increase approximately 1600 times |
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Definition
| When water is changed into steam at atmospheric pressure, its volume will.. |
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Term
|
Definition
| The vertical discharge piping from a pop safety valve should be drained with a ________. |
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Term
|
Definition
| Superheated steam will perform _________ work than saturated steam at the same pressure. |
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Term
| North and south, east and west, up and down |
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Definition
| The true isometric directions are.. |
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Term
|
Definition
| The device that controls the pressure in a low pressure steam boiler is called ________. |
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Term
|
Definition
| The 5G position is one where the pipe is in the ________ position. |
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Term
|
Definition
| The line that connects the steam header to a boiler return line is the ________. |
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Term
|
Definition
| The Hartford loop should be installed on the ______ to a steam boiler. |
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Term
|
Definition
| To prevent water hammer, freezing and corrosion in steam heating coils us a ________. |
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Term
|
Definition
| Which of the following is not a type of steam heating system? |
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Term
|
Definition
| Heat added to a gas above saturation temperature is called _________. |
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Term
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Definition
| The pressure of steam where steam and water have the same density is ______ psia. |
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Term
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Definition
| On a low pressure steam boiler, dimension A is equal to ___. |
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Term
|
Definition
| The critial temperature of steam is ________ oF. |
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Term
|
Definition
| The capacity of an evaporative condenser depends on the entering air ______ temperature. |
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Term
|
Definition
| Any device in which refrigerant is boiled to extract heat from the surrounding medium is an _______. |
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Term
|
Definition
| There are 2 types of evaporators. |
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Term
| Rotary, centrifugal, helical rotary, reciprocating. |
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Definition
| Name the types of refrigerant compressors |
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Term
| Caused by contaminants in the system |
|
Definition
| Copper plating of compressor parts is ________. |
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Term
|
Definition
| In refrigeration, the temperature range over which evaporation occurs is know as ________. |
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Term
|
Definition
| In refrigeration, the temperature at which the last drop of liquid is evaporated is known as the ________. |
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Term
|
Definition
| In refrigeration, the temperature at which boiling begins is referred to as the __________. |
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Term
| An essential component of a compression cycle |
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Definition
| A capillary tube in a liquid refrigerant line is... |
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Term
|
Definition
| In vertical upflow suction or hot gas risers, the minimum velocity to entrain oil should be ______ FPM. |
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Term
| Quantity of refrigerant in the coil |
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Definition
| What does the thermostatic expansion valve control? |
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Term
|
Definition
| When an object is refrigerated... |
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Term
|
Definition
| A refrigerant receiver should never be filled to more than _________ percent of its capacity. |
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Term
|
Definition
| As the pressure on a refrigerant is lowered, the temperature at which the refrigerant will boil is... |
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Term
|
Definition
| The name of the coil used to prevent freeze ups in a central air unit during winter operation is the ________ coil. |
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Term
|
Definition
| The ________ shows graphically the relationship between specific air conditions. |
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Term
|
Definition
| A strainer drier is usually found in the ________ line. |
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Term
|
Definition
| A moisture indicator is usually found in the _____ line. |
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Term
|
Definition
| What temperature would be used to determine the sensible heat content of a pound of air? |
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Term
|
Definition
| The process of extracting water from the air is known as... |
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Term
|
Definition
| A normally open pneumatic control valve will be fully open when.. |
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Term
| The dew point temp of the air |
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Definition
| When air is passed through a water spray some of the moisture of the air is given up if the temp of the water is below.. |
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Term
|
Definition
| At what percentage humidity would the dry bulb, wet bulb, and dew point all read the same? |
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Term
|
Definition
| What type of thermostat would be used when the point of measurement is a distance away? |
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Term
|
Definition
| The transmission signals considered standard for most instrument systems are.. |
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Term
|
Definition
| The greatest heat exchange occurs in a flow arrangement known as.. |
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Term
|
Definition
| The low side of a vapor compression cycle contains the ______. |
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Term
|
Definition
| Central connection points for signal lines are called ________. |
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Term
|
Definition
| Which one of the following would not be a type of controller? |
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Term
|
Definition
| When installing a orifice plate, the beveled side should face ______. |
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Term
|
Definition
| In the field process instrumentation, control action is usually initiated by a |
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Term
|
Definition
| A normally open valve working in conjunction with a direct acting thermostat will _______ on a increase in temp. |
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Term
|
Definition
| Which type of controller gets mounted in a pipe or tank usually in a leak proof well |
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Term
|
Definition
| A ______ acting controller would normally be used with a normally open cooling valve. |
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Term
|
Definition
| What does a controller change to operate a conrolled device? |
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Term
|
Definition
| The ________ temperature is not measured but is derived from charts. |
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Term
| Same refrigerant as system |
|
Definition
| What is the typical thermostatic valve bulb charge? |
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Term
|
Definition
| The correct gauge to use in a 200psi system would be |
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Term
|
Definition
| Process of changing a vapor to a liquid by the extraction of heat |
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Term
|
Definition
| The air temperature as indicated by an ordinary thermometer. |
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|
Term
| Remove odors, control building pressure |
|
Definition
| 2 reasons for supplying ventilation air. |
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|
Term
| Dry heat exchange, evaporative heat loss |
|
Definition
| Two general ways in which the body transfers heat to its surroundings |
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Term
|
Definition
| What name is given to the overall average temp of the surrounding surfaces |
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Term
|
Definition
| The final control element in most process control systems is a |
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Term
|
Definition
| A _________ controller would normally be used with a normally open heating valve. |
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Term
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Definition
| The lowest temp a water wetted body will attain when exposed to air currents is the |
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Term
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Definition
| The loop that is connected to the heat source and the expansion tank is the... |
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Term
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Definition
| A downfeed one pipe parallel system needs how many diversion fittings? |
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Term
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Definition
| Systems that have terminal units above the main are called... |
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Term
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Definition
| A diversion fitting or monoflo tee is required in what type of system? |
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Term
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Definition
| Expanding piping can be controlled in a hydronic system by using... |
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Term
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Definition
| A one pipe series circuit doesn't have... |
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Term
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Definition
| The piping that links the primary and secondary loops is called... |
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Term
| keeping installation costs low |
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Definition
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Term
| with as many fittings as possible |
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Definition
| Piping systems should not be installed... |
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Term
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Definition
| Vertical mains which smaller lines are taken off. |
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Term
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Definition
| When multiple loops return to the boiler, avoid piping them this way. |
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Term
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Definition
| The first terminal unit feed is the last to return to the heat source is an example of... |
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Term
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Definition
| A system that provides heating and cooling but uses a common return. |
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Term
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Definition
| A system where the first terminal unit supplied is the first one to return back to the boiler. |
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Term
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Definition
| When reducing pipe size in the horizontal, a ___ fitting should be used. |
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Term
| combination balancing and purge valve |
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Definition
| Each loop on a one pipe series requires a... |
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Term
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Definition
| A system where each loop has the same length of piping. |
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Term
| primary-secondary loop or two pipe reverse return |
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Definition
| When piping multiple boilers, they should be piped in this configuration. |
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Term
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Definition
| This piping system can heat and cool and does not share a return. |
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Term
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Definition
| The loop that is connected to the terminal unit is the... |
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Term
| the length of the terminal unit |
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Definition
| The distance between diversion tees should be... |
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Term
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Definition
| Fan coil units are examples of this type of terminal unit. |
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Term
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Definition
| This is changed in the hydronic system to meet heat demands based of varying weather conditions. |
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Term
| 180 degrees F to 200 degrees F |
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Definition
| Boiler water temperature is usually maintained at... |
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Term
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Definition
| The body loses most of it's heat by... |
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Term
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Definition
| Water can absorb over ___ times more heat than air for the same volume. |
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Term
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Definition
| A hydronic system is a heating system that uses HTF to move heat from area A to area B. |
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Term
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Definition
| What is not part of a hydronic system? |
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Term
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Definition
| Pitch on pipes in a hydronic system should be... |
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Term
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Definition
| Since unit heaters have a high pressure drop, this piping arrangement should be used. |
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Term
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Definition
| Temperature is an indirect measurement of the ___ of molecules. |
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Term
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Definition
| This type of heat results in the temperature increasing. |
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Term
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Definition
| The water speed for hydronic systems should be... |
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Term
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Definition
| This type of hydronic system accomplishes circulation because of the density of hot water. |
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Term
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Definition
| To move the same amount of heat, pipes are ___ compared to duct work. |
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Term
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Definition
| Comfort is achieved by heating the body. |
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Term
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Definition
| Systems that are open to the atmosphere are called... |
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Term
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Definition
| Finned-tube based board would be an example of this type of terminal unit. |
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Term
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Definition
| When calculating pressure drop of a 90, it equals a straight piece of pipe with a length... |
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Term
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Definition
| Static pressure has what effect on pump capacity in a closed system? |
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Term
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Definition
| The human body at rest loses heat at a rate of about... |
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Term
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Definition
| One milinch is equal to... |
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Term
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Definition
| The unit of measurement used to express pressure drop. |
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Term
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Definition
| Pressure drop, head pressure and static pressure are all the same thing. |
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Term
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Definition
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Term
| the total length of straight pipe plus 50% |
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Definition
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Term
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Definition
| The device that measures humidity. |
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Term
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Definition
| This should be installed in addition to a relief valve for added safety. |
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Term
| be properly sized for the boiler |
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Definition
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Term
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Definition
| The average low pressure boiler has a maximum working pressure of ___ PSIG. |
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Term
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Definition
| To increase boiler output on a cast iron boiler, these are usually added. |
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Term
| on the entering side of the heat exchanger |
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Definition
| On a forced combustion chamber the blower is placed... |
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Term
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Definition
| A scotch marine boiler is this type of boiler. |
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Term
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Definition
| Fire tube boilers are made from... |
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Term
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Definition
| During draining flow control valves should be placed in this position. |
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Term
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Definition
| A flow control valve during normal boiler operation should be left in what position? |
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Term
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Definition
| A triple duty valve performs three function in a hydronic system. It does not do this. |
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Term
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Definition
| This valve permits flow in only one direction. |
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Term
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Definition
| This should be installed on the suction side of a pump in a small mechanical room. |
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Term
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Definition
| These pumps discharge in a pulsating flow. |
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Term
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Definition
| These pumps have a smooth discharge. |
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Term
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Definition
| This type of pump does displace a definite amount of fluid each stroke. |
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Term
| non positive displacement |
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Definition
| This type of pump does not displace a certain amount of fluid. |
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Term
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Definition
| A pump develops no energy of it's own. |
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Term
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Definition
| This piping arrangement can be used to allow for both pitch and expansion. |
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Term
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Definition
| This should be installed to allow for water expansion and contraction. |
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Term
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Definition
| This should not be installed on the suction side of a high head pump. |
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Term
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Definition
| A ___ impeller that has shrouds on both sides of the vanes. |
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Term
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Definition
| Static pressure would be important in finding a pump for this type of system. |
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Term
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Definition
| The casing that contains the HTF under pressure is called the... |
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Term
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Definition
| Theoretically, water can be raised about ___ vertically. |
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Term
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Definition
| In order for pumping action to begin, a pump must first be... |
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Term
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Definition
| Low head pumps work under ___ HP and below ___' of pressure head. |
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Term
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Definition
| There are ___ basic classifications of pumps. |
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Term
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Definition
| The secondary pump has this effect on the primary pumping requirements. |
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Term
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Definition
| Pumps should be installed... |
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