Fire Science Basics Test

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

Combustible metals are classified as what type fuels?

třída A

třída C

Class D

Class K

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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

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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

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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

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The vapor density of air is

0.55

1.5

2.1

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

an opaque object

air

water

a transparent object

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

sound

light

gravitace

none of the above

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Helium is an example of what type of gas?

Toxic

Inert

Flammable

Reactive

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The specific gravity of water at 4 degress celsius is

0.6

1.8

14.7

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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

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

Wool

Cotton

Mohair

Rayon

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Liquids that burn are classified as what type of fuels

třída A

třída B

Class D

Class K

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

Pyrolysis

Flashover

Backdraft

Nic z výše uvedeného

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An example of reactive gas is

fluorine

hydrogen cyanide

argon

nitrogen

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Flashover occurs during what phase of fire?

Incipient (growth)

Smoldering (decay)

Free-burning (fully developed)

Vše výše uvedené

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Fire Science Basics Test

Combustible metals are classified as what type fuels?

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

A liquid is classified as combustible if its flash point is

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

The vapor density of air is

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

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

Helium is an example of what type of gas?

The specific gravity of water at 4 degress celsius is

Conduction is most accurately defined as

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

Liquids that burn are classified as what type of fuels

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

An example of reactive gas is

Flashover occurs during what phase of fire?

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