Fire Behavior- Quiz 1

1. The incipient stage of fire refers to...?

the ending stage of a fire.
the middle stage of a fire.
the beginning stage of a fire.
the extinguishment of a fire.
the union of a fire egg and fire sperm.

2. The fire tetrahedron requires the following items...

heat, fuel, nitrogen and oxygen
heat, oxygen and a chemical chain reaction
fuel, oxygen, nitrogen, and fire
heat, fuel, oxygen, fire and a chemical chain reaction

3. A class "A" fire is composed of ______ fuels.

liquids
solids
gasses
metals

4. High heat, heavy smoke and little or no flames describe what stage of fire?

Incipient
Free burning
Fully Developed
Smoldering

5. The symbol for a class "B" fire is a red square.

True
False
A zebra head

6. Fire is a...?

Burning gas or vapor seen as a flickering light.
Sudden outburst of flame and heat as a result of fuel ignition.
A rapid chemical change that releases heat, light and is accompanied by flame.
Thermal energy that transfers agitation from molecule to molecule.
...a living thing. It breathes, it eats, and it hates. The only way to beat it is to think like it.

7. Explosive limits are generally referred to as being either....?

too heavy or too light.
extending or contracting.
too rich or too lean.
too hot or too cold.
very cool, or duds.

8. Flash Point is....?

The lowest temperature at which a fuel will give off sufficient vapor that will ignite upon contact with a flame but will not sustain combustion.
The lowest temperature at which a fuel will give off sufficient vapor that will ignite upon contact with a flame and continue burning.
The lowest temperature at which a fuel will become volitile.
All of the above.

9. Matter is defined as....?

Something that occupies space and can be perceived by one or more senses.
A compound of hydrocarbons.
Anything broken down to the molecular level.
Combinations of molecules and chemicals.
A question of facts.

10. Smoke contains the following components:

Nuclear, chemical and mechanical sources of heat.
Particles of carbon monoxide, carbon dioxide, sulfur dioxide and cyanide.
Zinc, magnesium, sulfur, copper, and hydrogen.
Thermal imbalance causing toxic gases to drop lower to the ground.
Cheshire cats, caterpillars, and white rabbits.

11. Convection is....?

Transfer of heat through circulation of heated gas or molecules.
Transfer of heat through a medium like metal or pipe.
Transfer of heat through wavelengths of energy.
ransfer of heat through direct contact with fire.
A strong persuasion or belief.

12. Fire point is normally a few degrees above....?

Ignition temperature.
flash point.
incipient stage.
the explosive limit.
normal.

13. Fire has changed over time.

True
False
Both, true and false
Neither, true or false
What is time?

14. The hazards of flammable gases are generally ___________ to that of flammable liquids.

opposite
dissimilar
similar
identical
smellier

15. A fuel heated to a high temperature may _______ without the assistance of an outside flame.

explode
flame-out
auto-ignite
transfer heat
tip cows

16. Ignition temperature can also be referred to as spontaneous combustion.

True
False
There is no such thing as spontaneous combustion.
Ignition temperature has commitment issues.

17. A class "C" fire can be additionally dangerous because it involves....?

blue/green flames.
low levels of hydrogen.
combustible liquids.
electricity.
insects.

18. Breathable air contains 31% oxygen.

True
False
There is no average percentage of oxygen in air.
We don't need no stinkin' oxygen!

19. What are the 3 states of matter?

solid, liquid, plasma
liquids, solids, fuels
fuels, vapors, solids
liquids, solids, gases
chocolate, strawberry, vanilla

20. There are 6 classifications of fire.

True
False
Both true and false.
Neither true or false.
This question is unconstitutional.

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