Chapter 15 Foam Equipment and Systems Flashcards
Which of the following is NOT needed to produce quality fire fighting foam?
A. Air
B. Water
C. Vacuum pumps*
D. Mechanical aeration
Which of the following is a Class B hydrocarbon?
A. Alcohol
B. Acetone
C. Crude oil*
D. Lacquer thinner
Which of the following is a Class B polar solvent?
A. Fuel oil
B. Gasoline
C. Benzene
D. Ketones*
T or F: Class B foams designed solely for hydrocarbon fires will not extinguish polar solvent fires.
True
T or F: Many foams intended for polar solvents may be used on hydrocarbon fires.
True
Most fire fighting foam concentrates are intended to be mixed with:
94 to 99.9 percent water.
Which foams are not proportioned as other foams?
Class A foams
Dry, thick foam suitable for exposure protection and fire breaks requires a:
higher percentage of foam.
Wet (thin) foam that rapidly sinks into a fuel’s surface requires a:
lower percentage of foam.
Using a foam proportioner that is not compatible with the delivery device can result in:
unsatisfactory foam or no foam at all.
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
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*
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
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
Which of the following storage methods eliminate the need to use separate pails or barrels?
A. Pails
B. Totes
C. Barrels
D. Apparatus tanks*
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
Which of the following storage methods are most common in industrial applications?
A. Pails
B. Totes
C. Barrels*
D. Apparatus tanks
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*
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
Which of the following storage methods should be equipped with a pressure vacuum vent?
A. Pails
B. Totes
C. Barrels
D. Apparatus tanks*
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
Class A foams should be used on:
Class A fuels only.
Class A foam has a shelf life of as much as ___ years if properly stored.
20
T or F: Class A foam is safe to be applied directly into bodies of water.
False
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
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*
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
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
Protein-based foams have a shelf life of about ___ years.
10
Synthetic-based foams are made from:
fluorosurfactants.
Which of the following is the most commonly used foam today?
A. Fluoroprotein foam
B. Regular protein foam
C. Aqueous film forming foam*
D. Film forming fluoroprotein foam
Which of the following has a detergent base?
A. Fluoroprotein foam
B. Regular protein foam
C. High expansion foam*
D. Aqueous film forming foam
Which of the following is derived from naturally occurring sources of protein such as hoof, horn, or feather meal?
A. Fluoroprotein foam
B. Regular protein foam*
C. Aqueous film forming foam
D. Film forming fluoroprotein foam
Which of the following is based on fluoroprotein foam technology with AFFF capabilities?
A. Fluoroprotein foam
B. High expansion foam
C. Aqueous film forming foam
D. Film forming fluoroprotein foam*