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50 Cards in this Set
- Front
- Back
In the American system the basic unit of heat is the? |
BTU - British Thermal Unit |
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On the Celsius scale, water freezes and boils at what temperature? |
Water freezes at 0 degree Celsius and boils at 100 degree Celsius |
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A BTU is defined as? |
British Thermal Unit |
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The three basic methods of heat transfer are? |
Conduction, Convection, and Radiation. |
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"Fire" is defined as |
A rapid, self-sustaining oxidation process accompanied by the evolution of heat.
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The fire tetrahedron consists of |
Fuel, oxidizer, energy, and chemical chain reaction. |
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By-products of incomplete combustion are |
Smoke, carbon monoxide, and other fire gases |
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The most common oxidizer is |
Oxygen |
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Miscibility is defined as |
The ability of a substance to mix with water |
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The definition of ambient temperature is |
The temperature surrounding an object; air temperature
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Which state of matter has the fastest intermolecular action |
Gas |
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During a fire, flashover occurs when |
All of the combustible material in a room undergoes thermal decomposition and gives off flammable gases, which then simultaneously ignite. |
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Using the Fahrenheit scale water freezes and boils at what temperature? |
Water freezes at 32 degree Fahrenheit and boils at 212 degrees Fahrenheit. |
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What is the definition of radiation |
The transfer of heat by wavelengths of energy |
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What is the definition of convection |
The transfer of heat through a circulating medium. |
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Which substances are the best conductors of heat |
Metals |
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Class D fires involve |
Combustible metals |
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Class B fires involve |
Flammable liquids |
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Remove any one of the fire tetrahedrons components and the fire will |
Die; stop; fail |
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The original fire triangle consists of |
Fuel, Air, and Heat |
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Fire involving energized electrical equipment is a class _____ fire |
C |
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Specific gravity refers to |
The weight of a liquid as compared to the weight of an equal volume of water |
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The minimum temperature to which a substance must be raised before it will ignite is the definition of |
Ignition Temperature |
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Fire development has evolved into a concept of four fire stages, they are |
Ignition, growth, full developed, and decay |
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What is the name of the service the chemical industry provides which as a 24 hour number to call in case of a chemical emergency |
Chemical Transportation Emergency Center (CHEMTREC) |
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What do the letters NFPA stand for |
National Fire Protection Agency |
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NFPA Standard 1500 refers to |
Fire Department Occupational Safety and Health Program |
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Who publishes the Emergency Response Guidebook |
Department of Transportation (DOT) |
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The most commonly used main pump in fire apparatus is the |
Centrifugal Pump |
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PAL stands for |
Personal Alarm Locator/Device |
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Fire Departments receive calls for emergency service at the |
Communications Center |
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A triple combination apparatus is so named because it carries |
hose, a pump, and has a water tank |
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Who publishes the Fire Protection Handbook |
NFPA |
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The relief valve is mounted on the pump for the safety of the |
firefighter |
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The minimum recognized fire pump will pump ______ gallons per minute |
500 |
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Jurisdictions with rural areas should carry ______ size hose used for supply lines on fire apparatus |
2 1/2 in |
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The standard size of quick attack hose lines for structural firefighting is most often in size |
11/2 - 1 3/4- in. |
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Hard suction hose is used for |
Taking water from swimming pulls and reservoirs |
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Pumping water from a static source is called |
Drafting |
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Nozzles that have the capability of fog or straight patterns are called______ nozzles |
Combination |
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An advantage of a master stream appliance is its use for |
A "quick, massive attack on a fire"
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Fire apparatus carry a variety of fittings in order to facilitate |
Versatility in constructing hose lays and accessing water supplies. |
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Modern SCBA's operate in the positive pressure mode to |
Prevent a firefighter from breathing any harmful products in case of a face mask seal leak |
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The fire Chief, administrative officers, and their staffs normall work out of |
The fire department headquarters |
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The basic piece of motorized equipment in the fire service is the |
The pumper |
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In order to be considered a ladder truck, how many feet of ground ladders must be carried |
108 |
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What type of underwear should be worn by all firefighters |
Cotton |
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The foam system that is gaining popularity as firefighters can protect and leave structures in the area of wildland fires is |
Compressed Air Foam System (CAFS) |
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Thermal imaging cameras assist firefighters in doing what |
Rescue and finding heat sources |
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This organizations goal is to promote public safety through scientific investigation of various materials in regard to the hazard they present by their use. |
Underwriters Laboratory Inc. |