Fire Science Basics Test

This is a timed quiz. You will be given 60 seconds per question. Are you ready?

A liquid is classified as combustible if its flash point is

less than 70°F

less than 100°F

100°F or more

Answers 1 & 2 are correct

Correct! Wrong!

Helium is an example of what type of gas?

Toxic

Inert

Flammable

Reactive

Correct! Wrong!

Which of the following selection is an example of plant fiber?

Wool

Cotton

Mohair

Rayon

Correct! Wrong!

Liquids that burn are classified as what type of fuels

Class A

Class B

Class D

Class K

Correct! Wrong!

Combustible metals are classified as what type fuels?

Class A

Class C

Class D

Class K

Correct! Wrong!

Conduction is most accurately defined as

transfer of heat energy through a circulating medium (air)

transfer of heat energy through a solid via molecular motion

transfer of heat energy via infrared/ultraviolet rays

none of the above

Correct! Wrong!

Radiated heat waves will travel through space until they are absorbed by

an opaque object

air

water

a transparent object

Correct! Wrong!

What fire phenomenon can occur when fresh air is introduced into the fire area during the smoldering phase?

Pyrolysis

Flashover

Backdraft

None of the above

Correct! Wrong!

An example of reactive gas is

fluorine

hydrogen cyanide

argon

nitrogen

Correct! Wrong!

The vapor density of air is

0.55

1.5

2.1

Correct! Wrong!

Radiated heat ( infrared/ultraviolet ) rays travel through space at the speed of

sound

light

gravity

none of the above

Correct! Wrong!

Flashover occurs during what phase of fire?

Incipient (growth)

Smoldering (decay)

Free-burning (fully developed)

All of the above

Correct! Wrong!

Wet wood is more difficult to ignite than dry wood. Wood wll be very difficult to ignite then when the moisture rises content above

11%

15%

moisture content has no effect on combustibility

Correct! Wrong!

Wood and paper contain within their structure, approximately how much heat energy (in BTU) per pound?

6,000–7,000

12,500–15,000

16,000–21,000

20,000–23,000

Correct! Wrong!

The specific gravity of water at 4 degress celsius is

0.6

1.8

14.7

Correct! Wrong!

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Fire Science Basics Test

A liquid is classified as combustible if its flash point is

Helium is an example of what type of gas?

Which of the following selection is an example of plant fiber?

Liquids that burn are classified as what type of fuels

Combustible metals are classified as what type fuels?

Conduction is most accurately defined as

Radiated heat waves will travel through space until they are absorbed by

What fire phenomenon can occur when fresh air is introduced into the fire area during the smoldering phase?

An example of reactive gas is

The vapor density of air is

Radiated heat ( infrared/ultraviolet ) rays travel through space at the speed of

Flashover occurs during what phase of fire?

Wet wood is more difficult to ignite than dry wood. Wood wll be very difficult to ignite then when the moisture rises content above

Wood and paper contain within their structure, approximately how much heat energy (in BTU) per pound?

The specific gravity of water at 4 degress celsius is

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