Term
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Definition
| weight of one cubic foot of water |
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Term
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Definition
| weight of 12" of water 1" square |
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Term
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Definition
| Number of cubic inches in an Imperial gallon |
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Term
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Definition
| Number of cubic inches in a U.S. gallon |
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Term
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Definition
| Weight of one cubic inch of water |
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Term
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Definition
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Term
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Definition
| mass of 1 cubic inch of Mercury |
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Term
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Definition
| standard pressure in kilopascals |
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Term
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Definition
| The transfer of heat energy through physical contact |
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Term
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Definition
| Transfer of heat energy through liquids and gases |
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Term
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Definition
| Heat transfer occurring via electromagnetic wave; characteristically, objects are warmed - the surrounding medium (typically air) is not |
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Term
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Definition
| Used to calculate travel in 45 degree offsets; a constant based on trigonometry |
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Term
| How high can atmospheric pressure lift water given a perfect vacuum? |
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Definition
| Approximately 34' (14.7 psig x 2.31'/lb of pressure exerted) |
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Term
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Definition
| 1 P.S.I.G pressure will "support" or "lift" a column of water 2.31 feet. |
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Term
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Definition
| Amount of energy required to change one pound of water to steam |
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Term
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Definition
| Amount of energy that must be removed from one pound of water to make one pound of ice |
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Term
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Definition
| Specific heat of water ie. 1 BTU/lb./Farenheit degree |
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Term
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Definition
| Density of air (Imperial measure) |
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Term
| Formula for calculating the surface area of a cylinder |
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Definition
| (Diameter squared x .7854) x2 + (∏ x diameter) x height |
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Term
| How many cubic inches in a cubic foot? |
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Definition
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Term
| 1 Imperial gallon is equal to how many U.S. gallons? |
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Definition
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Term
| How much does a U.S. gallon of water weigh? |
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Definition
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Term
| Formula for calculating U.S. gallons in a cylinder |
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Definition
(D2)'x h'x 5.88
Note: all measured dimensions must be in feet |
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Term
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Definition
| British Thermal Unit - the amount of energy required to raise one pound of water one degree Farenheit; said to be roughly equivalent to the energy produced by the complete combustion of one wooden match |
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Term
| Relative density of mercury |
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Definition
| 13.6; that is, Mercury is 13.6 times denser than water |
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Term
| Formula for calculating Imperial gallons in a cylinder |
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Definition
(D2)' x Height' x 4.9
Note: All measured dimensions must be in feet |
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Term
| Formula for calculating the surface area of a cube |
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Definition
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Term
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Definition
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Term
| Circumference of a circle |
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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
| American Society for Testing and Materials |
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Term
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Definition
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Term
| At what temperature does water boil at in F° at sea level |
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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
| Diameter squared x .7854 x Height |
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Term
| How many square inches in a square foot |
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Definition
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Term
| 1 U.S. gallons equals how many Imperial gallons |
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Definition
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Term
| How many Imperial gallons in a cubic foot |
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Definition
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Term
| How many U.S. gallons in a cubic foot |
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Definition
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Term
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Definition
| As pressure on a gas increases, its volume decreases. |
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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
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Term
| 1 cubic metre contains______________ cubic millimetres |
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Definition
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Term
| What is the formula for converting Farenheit to Celsius |
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Definition
| Deduct 32, multiply x 5, divide by 9 |
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Term
| What is the formula for converting Celsius to Farenheit? |
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Definition
| Multiply x 9, divide x 5, add 32 |
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Term
| steel pipe is commonly supplied in what length? |
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Definition
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Term
| Copper pipe is commonly supplied in lengths of _________ |
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Definition
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Term
| ABS is supplied in what lengths |
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Definition
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Term
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Definition
| a weather resistant flexible membrane installed at roof level to avoid water penetration of the building |
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Term
| What is a stack vented group? |
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Definition
| A DWV arrangement in which larger trap arms are located below smaller trap arms and are vented via the stack vent. |
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Term
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Definition
| a drainage pipe the collects waste from fixtures or appliances, used to carry human waste products |
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Term
| Minimum length of a trap arm? |
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Definition
| 2x the diameter of the trap it serves |
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Term
| What is a continuous waste? |
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Definition
| A DWV arrangement where two or more fixtures share a single trap |
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Term
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Definition
| the highest part of the lower interior surface of a trap |
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Term
| What is another name for a fixture outlet pipe? |
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Definition
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Term
| What is terminal velocity? |
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Definition
| maximum speed that can be achieved by waste water "falling " in a pipe |
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Term
| Where are stand pipes utilized? |
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Definition
| As a drain for an auto clothes washer |
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Term
| Where is the main clean out located in a DWV system? |
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Definition
| its located at the base of the main stack |
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Term
| When welding steel pipe, it must be ___ |
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Definition
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Term
| The teeth on a die head are called _________ |
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Definition
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Term
| In soldering procedures, what is the purpose of flux? |
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Definition
| to promote a "wetting action" |
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Term
| What tool is used to make female threads? |
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Definition
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Term
| What tool is used to make male threads? |
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Definition
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Term
| In 95/5 solder, what does the 5 represent? |
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Definition
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Term
| What wrench is best suited for final tightening on nuts? |
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Definition
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Term
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Definition
| deterioration resulting from direct or indirect oxidation |
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Term
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Definition
| the deterioration resulting from the influence of abrasion or corrosion |
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Term
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Definition
| the capability of metal being drawn out hammered think or being able to be made into a new form |
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Term
| What does the term "ferrous" describe? |
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Definition
| Alloys or metals that contain iron |
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Term
| Formula for calculating wall thickness? |
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Definition
| outside diameter - inside diameter / 2 |
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Term
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Definition
| pipe that has been dipped in molten zinc |
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Term
| Describe the physical hazards when soldering |
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Definition
| inhalation of smoke and or fumes, contact with skin and eyes |
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Term
| What is capillary action? |
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Definition
| the flow of liquid when it is drawn into the small opening between wetted surfaces |
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Term
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Definition
| to heat then cool a metal, a process which softens the metal and makes it more flexible |
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Term
| The side rails of every ladder will extend what minimum distance above any platform or landing |
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Definition
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Term
| At what height must guardrails be installed on scaffold platforms? |
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Definition
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Term
| Name the four main workplace hazards |
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Definition
| biological, chemical, ergonomic, physical |
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Term
| Who is responsible for your your personal protective equipment |
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Definition
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Term
| It is acceptable to light an acetylene torch with a butane lighter |
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Definition
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Term
| What device do you use to protect your lungs from harmful gases? |
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Definition
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Term
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Definition
| Personal Protective Equipment |
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Term
| Who is responsible for ensuring the proper and maintenance of tools? |
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Definition
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Term
| What are you supposed to wear on a job site as PPE? |
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Definition
| Hardhat, Safety Glasses, Steel toed boots with a shank, Leather Gloves if necessary, Ear protection if necessary. |
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Term
| What is the maximum depth of an excavation that a worker can safely enter? |
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Definition
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Term
| What the elements of the fire triangle? |
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Definition
| Fuel, Oxygen and an Ignition Source |
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Term
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Definition
| Ordinary combustibles e.g. wood or paper |
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Term
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Definition
| Flammable liquids and gases |
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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
| Combustible Oil and Grease |
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Term
| When varying wall thickness within a given diameter, what stays the same? |
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Definition
| The outside diameter stays the same |
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Term
| Steel pipe has varying schedules which will vary the pipes'________________ |
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Definition
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Term
| The designation for standard steel pipe is_________ |
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Definition
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Term
| O ring and shaped gaskets are used in domestic plumbing installations are made of______________ |
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Definition
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Term
| Metal gaskets are usually found in what types of applications? |
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Definition
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Term
| Name an advantage of Victaulic fittings |
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Definition
| For ease and convenience of maintenance |
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Term
| Copper pipe suitable for both water distribution and underground water service |
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Definition
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Term
| Standard lengths for ridgid copper pipe are? |
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Definition
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Term
| In metallurgy, what is the purpose of alloying a metal? |
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Definition
| To modify its characteristics |
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Term
| Brass is suitable for some drainage systems because it is_____________________ |
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Definition
| Resistant to oxidation and corrosion |
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Term
| Duriron is an alloy of iron and silica used in industrial applications that require _________________ |
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Definition
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Term
| The pipe that is resistant to corrosion and high temperatures is? |
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Definition
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Term
| The piping which is highly resistant to chemicals but not very temperature resistant is? |
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Definition
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Term
| The piping which is highly resistant to strong acids, alkalies, salt solutions, alcohols and bacteria |
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Definition
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Term
| The three basic standards used to describe the final dimensions of commonly used piping and tubing are iron pipe size, ACR copping tubing and__________ |
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Definition
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Term
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Definition
| Can be beaten, rolled or squeezed to shape. |
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Term
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Definition
| Unlike molecules stick together. |
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Term
| All matter has definite _________ |
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Definition
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Term
| Molecules are made up of one or more________ |
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Definition
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Term
| ______ are good conductors of heat and electricity |
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Definition
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Term
| 1000 kg/m3 or 62.4lb/ft3. are the density of _______ |
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Definition
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Term
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Definition
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Term
| Copper pipe suitable for water distribution |
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Definition
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Term
| Iron pipe is sized by its nominal I.D. up to and including __________ inches |
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Definition
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Term
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Definition
| Amount of energy required to transform 1 kilogram of water to steam - metric |
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Term
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Definition
| Specific heat of water - metric |
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Term
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Definition
| Atmospheric pressure at sea level |
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Term
| For every 2000' of elevation increase there is a corresponding decrease in atmospheric pressure equal to __________ |
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Definition
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Term
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Definition
| Pressure is exerted equally in all directions |
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Term
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Definition
| 1 lb. of pressure (per square inch) will raise a column of water ______________ |
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Term
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Definition
| Specific heat of steam (metric) |
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Term
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Definition
| A body immersed in a fluid loses as much weight as the weight of the fluid it displaces |
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Term
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Definition
| Unrestricted, linear flow in apiping or ducting system |
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Term
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Definition
| Filler metals suitable for medical gas brazing |
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Term
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Definition
Bolt thread descriptions
National Fine,National Coarse, Unified National Fine, Unified National Coarse |
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Term
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Definition
| Distance to work surface of pre-heat flames in oxy-fuel cutting. |
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Term
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Definition
| Conversion factor to convert BTU to Kilojoule |
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