Fire Science Basics Test

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

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

¡Correcto! ¡Equivocado!

Combustible metals are classified as what type fuels?

Clase A

Clase C

Class D

Class K

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The vapor density of air is

0.55

1.5

2.1

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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

Ninguna de las anteriores

¡Correcto! ¡Equivocado!

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

¡Correcto! ¡Equivocado!

An example of reactive gas is

fluorine

hydrogen cyanide

argon

nitrogen

¡Correcto! ¡Equivocado!

Liquids that burn are classified as what type of fuels

Clase A

Clase B

Class D

Class K

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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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Flashover occurs during what phase of fire?

Incipient (growth)

Smoldering (decay)

Free-burning (fully developed)

Todo lo anterior

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Helium is an example of what type of gas?

Toxic

Inert

Flammable

Reactive

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

Wool

Cotton

Mohair

Rayon

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

sound

light

gravity

Ninguna de las anteriores

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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

Ninguna de las anteriores

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

an opaque object

air

water

a transparent object

¡Correcto! ¡Equivocado!

The specific gravity of water at 4 degress celsius is

0.6

1.8

14.7

¡Correcto! ¡Equivocado!

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Fire Science Basics Test

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

Combustible metals are classified as what type fuels?

The vapor density of air is

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

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

An example of reactive gas is

Liquids that burn are classified as what type of fuels

A liquid is classified as combustible if its flash point is

Flashover occurs during what phase of fire?

Helium is an example of what type of gas?

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

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

Conduction is most accurately defined as

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

The specific gravity of water at 4 degress celsius is

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