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Fire Behavior - Fire Technology Class Questions With Complete Solutions
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Fire Behavior - Fire Technology Class Questions With Complete Solutions
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Fire Behavior - Fire Technology Class Questions WithComplete Solutions
____ Joules = to 1 Newton over a distance of 1 meter Correct
Answer 1 Joule
1 major cause of heat spread Correct Answer Radiation
A gas with vapor density more than one will... Correct Answer
Sink
A liquid with a specific gravity less than 1 will ? Correct
Answer Float.
A liquid with a specific gravity more than 1 will ? Correct
Answer sink.
Can you measure energy directly ? Correct Answer No. But
you can measure the work that energy performs
Define backdraft Correct Answer Instantaneous explosion, O2
is intoduced to a super heated O2 depleted environment
Define British Thermal Unit ? Correct Answer Part of
Customary system in the USA. Defined as the amount of heat
needed to raise the temperature of one pound of water one
degree Fahrenheit.
Define Calorie ? Correct Answer Amount of heat needed to
raise the temperature of one gram of water one degree celsius.
, Define Class A fires Correct Answer Ordinary Combustibles
Example: wood, paper, cloth, plastics, rubber products
Define Class B fire Correct Answer Flammable Gas and
Liquids
Example: gasoline, diesel, hydrocarbons.
Define Class C fires Correct Answer Energized Electrical
equipment. Example: Circuit breakers, Computers, electric
appliances, as long as the are energized.
Define class D fires ? Correct Answer Combustible Metals.
Example: Magnesium and zinc are most common. Found
commonly in automobiles.
Define Class K fire Correct Answer Cooking oils and greases.
Animal fats, NOT hydrocarbons.
Define Conduction Correct Answer Heat is transferred through
direct contact
Define Convection Correct Answer Heat is transferred through
air or liquid
Define Fire Point Correct Answer Temp. at which sufficient
vapors are being generated to sustain the combustion process
Define Fire? Correct Answer A rapid and self-sustaining
chemical process that yields heat and light
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