Fire Behavior and Pre-plans (Tactics Chap 1)

Question 1

Class of fire involving vegetable oils, animal oils, or fats in cooking appliances

Answer 1

Class K

Question 2

What are the symbols for Class A,B,C and K fires?

Answer 2

Class A = Green Triangle
Class B = Red Square
Class C = Blue Circle
Class K = Black Hexagon

Question 3

In addition to direct flame contact, what are the three ways that heat travels and causes fire to extend to other areas?

Answer 3

Convection, Conduction, and Radiation

Question 4

What are the five stages of fire?

Answer 4

Ignition, Growth, Flashover, Fully Developed, Decay

Question 5

What stage of fire occurs when the oxygen or fuel starts to diminish?

Answer 5

Decay

Question 6

What stage occurs when all combustible materials in the fire area are involved in fire?

Answer 6

Fully Developed stage

Question 7

This is the stage, as fuel, oxygen, heat, and the inhibited chemical chain reaction come together

Answer 7

Ignition

Question 8

The stage in which the fire starts to develop depending upon the amount of fuel and oxygen that is available and the absence of built-in fire -extinguishing systems

Answer 8

Growth stage

Question 9

Once the oxygen level gets below ___%, the fire begins its initial decay stage.

Answer 9

16%

Question 10

_________ is the priority in backdraft conditions

Answer 10

ventilation

Question 11

___________- is the backbone of a fire dept.

Answer 11

Training

Question 12

Training fosters ______ and _______

Answer 12

Teamwork and Coopreration

Question 13

The use of NIMS is mandated in the ______ in homeland Security Presidential Directive/_____

Answer 13

National Response Plan (NRP)

HSPD-5

Question 14

Preplans should be reviewed ________ to see if modifications are needed

Answer 14

Annually

Question 15

Determining the amount of water needed to extinguish a fire in a specific building is best accomplished during _______

Answer 15

The preplanning stage

Question 16

The theoretical amount of water needed to control and extinguish a fire

Answer 16

Needed fire flow

Question 17

What is the NFA fire flow formula?

Answer 17

Fire Flow = length X width divided by 3

Question 18

In multistory structures ___% of the required fire flow of the fire floor should be added as exposure protection for each exposed floor above the fire floor to a maximum of ____ floors

Answer 18

25% to a maximum of 5 floors

Question 19

What percentage of actual fire flow should be given exterior exposures?

Answer 19

25%

Question 20

The NFA formula is geared towards ______ attacks and its accuracy diminishes with fires involving more than ______%

Answer 20

Offensive attacks

50% involvement

Question 21

It is found that as the amount of involvement reaches a stage where a defensive attack is necessary, the NFF formula will be found to be _____________

Answer 21

Slightly greater than predicted

Question 22

If the fire flow requirements exceed the fire flow capabilities of available resources, a ________ mode of operations is usually required

Answer 22

defensive mode

Question 23

1 1/2” or 1 3/4” hose lines flow

Answer 23

125-175 gpm

Question 24

2 1/2” hose lines flow approximately

Answer 24

250 gpm

Question 25

What types of preplans?

Answer 25

???? Look this up

Question 26

The temperature of flashover is estimated between ___- and ______

Answer 26

900-1100 degrees F

Question 27

In flashover, Ceiling temperatures can easily exceed ____

Answer 27

1300 degrees F

Question 28

In the fully developed stage, temperatures can exceed ___

Answer 28

2000 degrees F

Question 29

The growth stage of a fire begins as air (oxygen) feeds the fire from all directions. This stage is called ______

Answer 29

fuel-limited/controlled

Question 30

As the burning increases, the oxygen is consumed and the layers of smoke reaches the burning materials. The fire becomes ________

Answer 30

vent-limited/controlled