Term
| What is the fastes frowing crime in America? |
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Definition
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Term
| What are the six steps of the sccientific method that forms a basis for legitimate scientific and engineering processes? |
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Definition
| Recongnize the need, f=define the problem, collect data, analyze the data, develop a hypothesis. (5) |
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Term
| Information that is based upon observations or experience and can be verified is called what? |
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Definition
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Term
| What is the primary goal of a fire investigator? |
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Definition
| To determine the truth (6) |
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Term
| What is the secondary goal of the fire investgator? |
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Definition
| To identify and move against those responsible for arson. (6) |
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Term
| ______is an inner drive or impulse that causes a person to do something or to act in a certain way. |
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Definition
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Term
| ______is marked by mood elevation, physical and mental hyperactivity, and disorgannized behavior. |
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Term
| _____may involve lethargy, lack of concintration, and sadness or dejection. |
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Term
| A person who has an inordinate or ungovernable enthusiasm for starting fires, who lacks a concious motivation for his fire setting in known as what? |
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Definition
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Term
| Of the affected disorders which one is the most serious? |
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Term
| An action usually involving the placement of a bomb or fire explosion of great destructive power, which is capable of effecting irreparable loss against the enemy, is called what? |
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Term
| What is most important to any investigator? |
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Definition
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Term
| What are the five nationally recongized types of biulding construction? |
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Definition
| Fire-resistive, non-combustible or limitied combustible, ordinary construction, heavy timber, wood frame. (29) |
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Term
T/F
Masonry, plaster, and drywall construction offer resistance to fire attack, while wood studs, and wood paneling, and plywood products can greatly increase a fires intensity and acutally add to the fire load. |
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Term
| Under heavy fire conditions a fire investigator may expect a wall to collapse in an average of how many mins? |
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Definition
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Term
| Under heavy fire conditions an investigator can expect a floor to collapse in how many mins? |
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Definition
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Term
| What is the total weight of the building plus the total weight of all permenent or built-in equipment known as? |
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Definition
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Term
| The total weight of those items added to the building, including all furnishing, stock and sotrage, and occupantsis known as what? |
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Definition
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Term
| How much does one gallon of water weigh? |
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Definition
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Term
| The load that is brought to bear in a short period of time if called what? |
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Definition
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Term
| The total number of BTU that might evolve during a fire, and the rate at which heat will evolve is called |
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Definition
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Term
| One pound of wood, if completly burned, produces how many BTU? |
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Definition
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Term
| A fire in any given area that would be virtually restricted to that area is called what? |
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Definition
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Term
| A______is a wall designed to prevent the extension of a fire. |
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Definition
| Dividing parapet, also known as a parapet, firewall, or party wall (35) |
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Term
| A_____is usually made of metal and designed to prevent the spread of fire through doorways or other wall openings. |
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Definition
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Term
| What is the universally recongized characteristic of a fireproof or fire-resistive construction? |
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Definition
| The building will restrict a fire to one floor or other limite area (36) |
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Term
| How is the central core design of a building characterized? |
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Definition
| By having all utilities, elevator shafts, stariwells, air conditioning ducts, and electrical, plumbing, and telephone lines, located and passing vertically through each floor in the central core of the building. (37) |
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Term
| A large open area extending over head from the lobby for at least several stories and possibly to the roof is called what? |
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Definition
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Term
| When should elevators be used to evacuate a building in the event of a fire? |
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Definition
| Never, an elevator shaft makes a very effective chimmney (39) |
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Term
| A stairway enclosed in a separate structure that has its own exterior walls is called what? |
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Definition
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Term
| What are the 2 basic classifications of fire detectors? |
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Definition
| Smoke detectors and heat detectors (41) |
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Term
What are the four common types of sprinkler systems?
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Definition
| Wet pipe, dry pipe, preaction and deluge (46) |
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Term
| In what kind of sprinkler system do the supply pipes to the sprinkler head contain water at all times? |
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Definition
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Term
| In what kind of sprinkler system do the supply pipes contained compressed air and not water? |
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Definition
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Term
| A_____is special tile for walls and ceilings, made of mineral, wood vegatable fibers, cord, or metal, whose purpose is to control sound volume while providing cover. |
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Definition
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Term
| A pipe that carries warm/cold air to rooms and back to a furnace/air conditioning system is called what? |
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Definition
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Term
| An______is a unit for measuring the rate of flow of elecricity (current) |
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Term
| A paved area such as the junction of a driveway with the street or with a garage entrance is called what? |
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Definition
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Term
| What is gravel or earth replaced in the space around a building wall after foundations are in place? |
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Definition
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Term
| Upright support of a balustrade rail is called what? |
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Definition
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Term
| One of the principal horizontal wood or steel members of a building is called what? |
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Definition
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Term
| A______is a projecting beam or joist not supported at one end, used to support an extension of a structure. |
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Definition
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Term
| What safety device opens an electrical circuit automatically when it becomes overload? |
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Definition
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Term
| Extension of a roof beyond the house walls are called what? |
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Definition
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Term
| What kind of roof has 2 piticches, steeper on its lower slope and flatter toward the ridge designed to provide more space on upper floors? |
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Definition
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Term
| What kind of roof slants up on 3 or 4 sides? |
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Definition
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Term
| A horizontal piece over a door or window that supports walls above the opening is called what? |
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Definition
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Term
| A projection of the foundation wall used to support a floor girder or stiffen the wall is called a_____ |
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Definition
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Term
| A chemical process accompanied by the evolution of heat and light is called what? |
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Definition
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Term
| ________is the energy possesed by a material or substance due to molecular activity. |
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Definition
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Term
| What is the measurement of the realtive amount of heat energy contained within a given substance called? |
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Definition
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Term
| What are the 5 ways to produce heat? |
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Definition
| Chemical, mecahnical, electrical, compressed gas, and nuclear (58) |
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Term
| What are the 3 ways to transfer heat? |
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Definition
| conduction, convection, and radiation (58) |
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Term
| _______is the transfer of heat by a circulating medium, ussually air or a liquid. |
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Definition
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Term
| Of the 3 methods of heat transfer which is chiefly responsible for the spread of fire in structures? |
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Definition
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Term
| Of the 3 methods of heat transfer which has direct contact as its underlying factor? |
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Definition
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Term
| ______is the uniform distribution, seemingly in contradictionto the laws of gravity, of molecules of one substance through those of another. |
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Definition
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Term
| _______means that other substances may pass through or permeate a gas. |
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Definition
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Term
| The temperature at which a liquid turns into gas by producing continous vapor bubbles is called its what? |
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Definition
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Term
| The temperature at which a liquid gives off enough vapor to form an ignitable mixture is called what? |
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Definition
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Term
| The temperature at which a liquid produces vapors that will sustain combustion is called what? |
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Definition
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Term
| NFPA defines a flammable liquid as oe whose flash point is below how many degrees? |
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Definition
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Term
| A liquid with a flash point of 140 degrees or higher is a______ |
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Definition
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Term
| The temperature at which a solid turns into a liquid is called what? |
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Definition
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Term
| The chemical decompistion of matter through the action of heat is called what? |
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Definition
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Term
| This is the amount of heat that a fuel will release during a complete oxidation reaction. |
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Definition
| The heat of combustion (65) |
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Term
| The temperature at which a flammable material will ignite is called what? |
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Definition
| Ignition temperature (66) |
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Term
| The temperature to which a material must be heated in order for it to burst into flame, free of an ignition source such a spark or a match is called what? |
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Definition
| Autoignition temperature. (66) |
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Term
| The lowest temperature at which an oxidation reaction can self-sustain itself to either flamming or glowing ignition is called what? |
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Definition
| Autogenous ignition temperature (66) |
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Term
| The value assigned to the rate of chemical reaction which doubles with every 10 degrees Celcius or 18 dgrees F increase in temperature is_______ |
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Definition
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Term
| _______is the weight of a a substance compared with an equal volum of water |
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Definition
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Term
| A substance that ignites spontaneoulsy in air at normal temperatures is called______ |
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Definition
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Term
| What are the 4 classifications of fire by fuel? |
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Definition
Class A=ordinary combusitbles
Class B= flammable or combusitble liquids
Class C= Energized electrical equipment
Class D= combustible metals (67) |
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Term
| As a fire progresses it normally passes through 4 phases what are they? |
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Definition
| Incipient, emergent smoldering, free burning, and oxygen-regulated smoldering (68) |
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Term
| _____is defined as a stage in the developement of a contained fire in which all exposed surfaces reach igntion temperature, more or less simulltaneously, and fire apreads rapidly. |
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Definition
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Term
| What is the actual average time to flashover? |
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Definition
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Term
| _______is defined as a stage in the development of a contained fire in which all exposed surfaces reach ignition temperature more or less simultaneously and fire spreads rapidly. |
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Definition
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Term
| Carbon monoxide is highly flammable and has an ignition temperature of______ |
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Definition
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Term
| Heat from a fire in the open rises as a column of hot gas called what? |
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Definition
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Term
| What are the four components of the fire tetrahedron? |
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Definition
| Fuel, oxygen, heat, and chemical chain reaction (79) |
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Term
| The cause of a a fire can be catergorized into one of foru classifications, what are they? |
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Definition
| Natural, accidentl, undetermined, and incindiary (91) |
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Term
| What does the term prima facie mean? |
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Definition
| Eveidence that the fire was of incendiary origin (98) |
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Term
| The physical sign and substances that reveal, by implication, how a fire developed are referred to as what? |
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Definition
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Term
| ______refers to the crack of glass into smaller segments or subdivisions in an irregular pattern. |
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Definition
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Term
| If the fire is considered supicious, the officer should immediatley request the assistance of a fire investigator. In the case of a fatal fire, whom should he also request? |
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Definition
| A police investigator (193) |
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Term
| Who is the person responsible for perserving the interigity of the fire scene until the first investigator arrives? |
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Definition
| The chief fire officer (193) |
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Term
| When the investigator arrives, what should the chief officer give him? |
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Definition
| A chronologic list of all authourized persons entering the crime scene (193) |
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Term
| Although lividity begins at death, when does it become visible? |
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Definition
| 30 mins to 4 hours later. (204) |
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Term
| A victim may be found in what appears to be a defensive boxing pose or fetal postion. What is this position called? |
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Definition
| Pugilistic attitude (204) |
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Term
| What is rigor mortis visible? |
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Definition
| In the face, jaws, and hands (206) |
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Term
| How long does it take for rigor mortis to develop? |
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Definition
| 2 to 4 hours, and complete over a period of 12 to 24 hours from death (206) |
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Term
| Who is responsible for determining the fires origin and cause? |
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Definition
| The fire investigator (209) |
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Term
| Who is responsible for the death investigation? |
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Definition
| The police investigator (209) |
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Term
| What is the single most common cause of death in fires? |
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Definition
| Carbon monoxide asphyxiation (211) |
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Term
| Exposure to as little as____% carbon monoxied can cause unconsciousness after only two or three breaths, and death in a few minutes. |
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Definition
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Term
| Who is responsible for conducting the follow up investigation of fatal fires? |
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Definition
| The police investigator (214) |
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Term
| At what ceiling temperature does flashover occur? |
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Definition
| 932 to 1112 degrees (227) |
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Term
| A fire that is deliberatley set under circumstances when the person who is seting ithe fire realizes that the fire should not be set is called what? |
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Definition
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Term
| Steel will soften and fail at what temperatures? |
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Definition
| It softens at 1000 degrees and may fail between 1500 and 1700 degrees (259) |
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Term
| The normal operating catalytic converter ranges in temperature from what to what? |
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Definition
| 800 to 1800 degrees (261) |
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Term
| What two gases do vehicle batteries contain? |
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Definition
| Oxygen and hydrogen (268) |
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Term
| A_______, sometimes referred to as a booster, is either a pool of liquid accelerant or a pile of combustibles that is used by an arsonist to enhance the quality of fire in a selected location |
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Definition
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Term
| A_____, sometimes referred to as a streamer, is and arrangment or configuration of flammable or combustible materials that is intended to carry fire from one location to another. |
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Definition
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Term
| What are the four ways to gain entry into a particular structure in order to conduct an investigation? |
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Definition
| Extigent circumstances, consent of property owner, administrative search warrant, criminal search warrant (279) |
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Term
| In gaining entry to a particular structure to investigate, which method is generally recongnized when fire department personnel enter a building or structure to supress and extinguish a fire? |
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Definition
| Exigent circumstances (279) |
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Term
| Any agent, frequently an ignitable or flammable liquid, used to initiate or speed the spread of fire is called what? |
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Definition
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Term
| In a fire investigation what should the crime include? |
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Definition
| The area surronding the location where a crime may have been committed and where evidence pertaining to the investigation of that crime may be found (330) |
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Term
| The area of the crime scene evincing the greatest impact between the criminal and the commision of the crime is known as what? |
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Definition
| The seat of the crime (330) |
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