Fire Control 4

Question 1

Flammable Range of Gasoline

Answer 1

1.4% - 7.4%

Question 2

Most common hydrocarbon fire

Answer 2

Gasoline

Question 3

Gasoline auto ignition temperature

Answer 3

495f

Question 4

What is good about aluminum containers?

Answer 4

It will melt before it BLEVE’s

Question 5

Most common spill

Answer 5

Diesel

Question 6

What are 3 dimensional fires?

Answer 6

Pressurized. Product needs to be shut off.

Question 7

H

A

H

A

M

I

C

E

Answer 7

Gasses lighter than air

Helium
Acetylene
Hydrogen
Ammonia
Methane
Illuminating gases
Carbon Monoxide
Ethelene

Question 8

Flash point of gasoline

Answer 8

-45

Question 9

Flash point of diesel

Answer 9

130

Question 10

Vapor density of gasoline

Answer 10

2-4

Question 11

Vapor density of diesel

Answer 11

1.5

Question 12

Vapor density of propane

Answer 12

1.6

Question 13

Vapor density of butane

Answer 13

2

Question 14

Specific gravity of gasoline

Answer 14

0.8

Question 15

Specific gravity of diesel

Answer 15

0.85

Question 16

Expansion ratio of gas and diesel

Answer 16

200 pure vapor

Question 17

Propane expansion ratio

Answer 17

270 x

Question 18

Butane expansion ratio

Answer 18

230 x

Question 19

Flammable limit of diesel

Answer 19

.4% - 6%

Question 20

Flammable limit of propane

Answer 20

2.1% - 9.5%

Question 21

Flammable limit of butane

Answer 21

1.6% - 8.4%

Question 22

Gasoline BTU

Answer 22

19000

Question 23

Diesel BTU

Answer 23

18500

Question 24

Propane BTU

Answer 24

21500

Question 25

Butane BTU

Answer 25

21000

Question 26

Gasoline flame spread

Answer 26

12' per second

Question 27

Diesel flame spread

Answer 27

1' per second

Question 28

DOT placard Gasoline

Answer 28

1203

Question 29

What % foam for polar solvent?

Answer 29

6%

Question 30

What % foam for hydrocarbon?

Answer 30

3%

Question 31

DOT placard for diesel

Answer 31

1202

Question 32

DOT placard for propane and butane

Answer 32

1075

Question 33

4 ways foam works

Answer 33

SMOTHERS – fire by removing oxygen SEPARATES – flames from fuel surface COOLS – fuel and adjacent metal surfaces SUPPRESSES – vapors being released

Question 34

3 types of foam application

Answer 34

Rain down, Deflect, and Roll on

Question 35

Foam bubbles hold water, but __ of water will drain out in about ____ minutes

Answer 35

25% in 3 min

Question 36

Polar Solvents

Answer 36

alcohol based-ethanol, methanol thinners acids Ketones-methyl ethyl ketone

Question 37

Hydrocarbons

Answer 37

gasoline benzene toluene

Question 38

What foam is used on polar solvents?

Question 39

What is a fire attack pattern? (Power Cone)

Answer 39

25 - 35 degree fog

Question 40

In a flammable gas fire, what is a fog degree that helps to back out?

Answer 40

45 - 80 degree fog