Fire Behavior

Question 1

The chemical decomposition of a compound into one or more other substances by heat alone is called _____?

Answer 1

Pyrolysis

Question 2

A flammable liquid has which of the following characteristics?

Answer 2

A flashpoint below 100 F.

Question 3

All matter that exists in a gaseous state will burn. T/F?

Answer 3

False

Question 4

All of the following are examples of mechanical heat sources except ____?

Answer 4

Electromagnetic induction

Question 5

All of the following are measures of heat energy except ____?

Answer 5

Fahrenheit

Question 6

All of the following are warning signs of backdraft except ____?

Answer 6

Flames emerging rom doors and windows.

Question 7

All of the following are warning signs of flashover except what?

Answer 7

Smoke churning in window glass

Question 8

Conditions that will cause a static electricity discharge include the following except ___?

Answer 8

Contact and separation between similar solids.

Question 9

An ignitable liquid must be atomized in order to burn. T/F?

Answer 9

False

Question 10

Factors that affect the rate in which a fire will grow include all of the following except ____?

Answer 10

The ambient temperature outside the fire area

Question 11

Name the fire phase described: Fire is affected by the amount of oxygen, fuel, space, and insulation of the ceilings and walls.

Answer 11

Growth

Question 12

Name the fire phase described: Fire is virtually free burning and has plenty of fuel?

Answer 12

Fully developed

Question 13

Name the fire phase described: Fuel package has been mostly consumed and heat release rate drops.

Answer 13

Decay

Question 14

Name the fire phase described: Heat generated from the ignition now begins to cause heat transfer to surrounding combustibles.

Answer 14

Growth

Question 15

Name the fire phase described: In most cases, the fire is small and limited.

Answer 15

Ignition

Question 16

Name the fire phase described:Small pockets of fire may still exist as the fuel slowly moves to the point of total consumption.

Answer 16

Decay

Question 17

Oil-soaked rags, discarded and reading self-ignition temperature are an example of ___?

Answer 17

Exothermic reaction

Question 18

The amount heat generated by electrical means depends on ____?

Answer 18

The amount of electricity flowing through the conductor, the amount of resistance in the conductor, and the density of the conductor.

Question 19

The amount of heat that a substance absorbs as the temperature of the substance increases is called ___?

Answer 19

Specific heat

Question 20

The danger of backdraft increases dramatically as oxygen levels drop below ___?

Answer 20

16%

Question 21

The latent heat of vaporization is ____?

Answer 21

The amount of heat that is absorbed by a liquid that passes to a gaseous form.

Question 22

What are the two forms of nuclear energy?

Answer 22

Fission and fusion

Question 23

Vapor density is the comparison of the density of a given vapor or the fas to the density or ____?

Answer 23

Air

Question 24

Which choice is not part of the fire tetrahedron?

Answer 24

Extinguishing agent

Question 25

Which of the following is not one of the four stages of fire development?

Answer 25

Rollover

Question 26

Which of the following is true regarding lower explosive limits?

Answer 26

A fuel vapor will not ignite at levels below the LEL.

Question 27

Which of the following statements about density is true?

Answer 27

As density increases, the amount of energy needed for ignitions increases.