Chapter 15 Foam Equipment and Systems Flashcards Preview

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Flashcards in Chapter 15 Foam Equipment and Systems Deck (86)
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1

Which of the following is NOT needed to produce quality fire fighting foam?

A. Air
B. Water
C. Vacuum pumps*
D. Mechanical aeration

2

Which of the following is a Class B hydrocarbon?

A. Alcohol
B. Acetone
C. Crude oil*
D. Lacquer thinner

3

Which of the following is a Class B polar solvent?

A. Fuel oil
B. Gasoline
C. Benzene
D. Ketones*

4

T or F: Class B foams designed solely for hydrocarbon fires will not extinguish polar solvent fires.

True

5

T or F: Many foams intended for polar solvents may be used on hydrocarbon fires.

True

6

Most fire fighting foam concentrates are intended to be mixed with:

94 to 99.9 percent water.

7

Which foams are not proportioned as other foams?

Class A foams

8

Dry, thick foam suitable for exposure protection and fire breaks requires a:

higher percentage of foam.

9

Wet (thin) foam that rapidly sinks into a fuel’s surface requires a:

lower percentage of foam.

10

Using a foam proportioner that is not compatible with the delivery device can result in:

unsatisfactory foam or no foam at all.

11

Which of the following storage methods are usually 5-gallon (20 L) sized and made of plastic?

A. Pails*
B. Totes
C. Barrels
D. Apparatus tanks

12

Which of the following storage methods are found on municipal and industrial pumpers, foam tenders, and ARFF apparatus?

A. Pails
B. Totes
C. Barrels
D. Apparatus tanks*

13

Which of the following storage methods are usually 55-gallon (220 L) sized and made of plastic?

A. Pails
B. Totes
C. Barrels*
D. Apparatus tanks

14

Which of the following storage methods are found in 275-gallon (1 100 L) sizes and are used for bulk storage of foam concentrate?

A. Pails
B. Totes*
C. Barrels
D. Apparatus tanks

15

Which of the following storage methods eliminate the need to use separate pails or barrels?

A. Pails
B. Totes
C. Barrels
D. Apparatus tanks*

16

Which of the following storage methods are perhaps the most common containers used by the municipal fire service?

A. Pails*
B. Totes
C. Barrels
D. Apparatus tanks

17

Which of the following storage methods are most common in industrial applications?

A. Pails
B. Totes
C. Barrels*
D. Apparatus tanks

18

Which of the following storage methods range from 20 to 200 gallons (80 L to 800 L)?

A. Pails
B. Totes
C. Barrels
D. Apparatus tanks*

19

Which of the following storage methods are durable and not affected by the corrosive nature of foam concentrates?

A. Pails*
B. Totes
C. Barrels
D. Apparatus tanks

20

Which of the following storage methods should be equipped with a pressure vacuum vent?

A. Pails
B. Totes
C. Barrels
D. Apparatus tanks*

21

Which of the following would NOT be a typical use for Class A foam?

A. Structure fire
B. Coal mine fire
C. Flammable liquid fire*
D. Tire storage fire

22

Class A foams should be used on:

Class A fuels only.

23

Class A foam has a shelf life of as much as ___ years if properly stored.

20

24

T or F: Class A foam is safe to be applied directly into bodies of water.

False

25

Which of the following devices is NOT commonly used with Class A foams?

A. Fog nozzles
B. Straight stream nozzles*
C. Aerating foam nozzles
D. Compressed-air foam systems

26

Which of the following would be a typical use for Class B foam?

A. Structure fire
B. Coal mine fire
C. Wildland fire
D. Combustible liquid fire*

27

Which of the following may be used to apply Class B foam?

A. Fog nozzles*
B. Straight stream nozzles
C. Aerating foam nozzles
D. Compressed-air foam systems

28

Which of the following are considered safer for the environment?

A. All Class A foams
B. All Class B foams
C. Protein-based Class B foams*
D. Synthetic-based Class B foams

29

Protein-based foams have a shelf life of about ___ years.

10

30

Synthetic-based foams are made from:

fluorosurfactants.