FT 6/22 Flashcards
Regarding the use of low expansion foam it would be incorrect to state?
Select one:
a. It is permissible to apply two different types of low expansion foam solution simultaneously using two different appliances
b. It should not be used in conjunction with Hi-Ex foam
c. It is intended for fires of Class “A” combustibles
d. It is used on Class “B” fires and spills
C
(TB Foam—2.1, 2.3) (Hi-Ex is intended for Class “A” fires)
The correct answer is: It is intended for fires of Class “A” combustibles
When utilizing an AFFF extinguisher at a boiler room fire it would be incorrect to think that?
Select one:
a. Knockdown will be observed but the film produced might be unstable
b. A foam handline should be made ready as a precaution
c. The foam solution is aerated
d. Breakdown of the foam around hot metal, especially pipes in boiler rooms, should be anticipated
C
(TB Foam—2.4) (It is not aerated)
The correct answer is: The foam solution is aerated
It is incorrect to state that finished firefighting foams extinguish fires by?
Select one:
a. Suppressing—stopping or reducing the generation and release of flammable vapors
b. Cooling—the concentrate in the foam solution cools the fuel
c. Separating—the flame from the surface of the fuel
d. Smothering—preventing air from mixing with flammable vapors being given off by the liquid
B
(TB Foam—2.4) (The water content cools the fuel)
The correct answer is: Cooling—the concentrate in the foam solution cools the fuel
Which point regarding AR-AFFF low expansion foam is inaccurate?
Select one:
a. AR-AFFF can remain effective if properly stored for up to 25 years
b. An AR-AFFF foam solution can be generated with either salt or fresh water
c. AR-AFFF concentrate may be mixed with other types of foam
d. AR-AFFF is freeze / thaw stable
C
(TB Foam—3.1) (Should not be mixed)
The correct answer is: AR-AFFF concentrate may be mixed with other types of foam
It would be correct to state that Engines shall carry \_\_\_\_\_ 5 gallon containers of AR-AFFF foam and ladders shall carry \_\_\_\_\_ 5 gallon containers of AR-AFFF foam? Select one: a. Three, Two b. Four, Two c. Three, Three d. Two, Three
A
(TB Foam—3.1)
The correct answer is: Three, Two
The containers of AR-AFFF are color coded with \_\_\_\_\_ bands? Select one: a. Orange b. Red c. Brown d. Black
B
(TB Foam—3.1)
The correct answer is: Red
The containers of AFFF are color coded with \_\_\_\_\_ bands? Select one: a. Black b. Yellow c. Brown d. Red
A
(TB Foam—3.1)
The correct answer is: Black
The containers of Hi-Ex are color coded with \_\_\_\_\_ bands? Select one: a. Brown b. Yellow c. Red d. Black
B
(TB Foam—3.1)
The correct answer is: Yellow
When using foam equipment, it would be incorrect to state?
Select one:
a. Master Stream Nozzles are to be used at large spills over 1500 square feet
b. Handlines with foam nozzles that are used with an eductor are useful for small spills of approximately 600 feet
c. A first alarm assignment of three engines and two ladders should provide 65 gallons of AR-AFFF, which will provide approximately 17 minutes of finished firefighting foam at a 3 % setting
d. Self-Educting Nozzles on Foam Tankers provide effective knockdown of spills over 600 square feet
A
(TB Foam 6.2, 6.3, 6.4) (Over 2000 square feet)
The correct answer is: Master Stream Nozzles are to be used at large spills over 1500 square feet
A Foam Tanker with 1500 gallons of foam in its booster tank, using their foam deck gun with a 1000 gpm nozzle at a 3 % setting, will provide \_\_\_\_\_ minutes of foam? Select one: a. 75 b. 50 c. 33 d. 66
B
(TB Foam 7.4)
The correct answer is: 50
An Engine Company supplying water to a Foam Tanker for use of its foam deck gun should supply \_\_\_\_\_ psi to the gated inlet of the Foam Tanker? Select one: a. 220 b. 180 c. 200 d. 240
C
(TB Foam 7.4)
The correct answer is: 200
A foam handline should be stretched and put into operation at all of the following except?
Select one:
a. Members will be operating in the area
b. The product is on fire
c. The product causes an exposure problem
d. The product is a combustible or flammable liquid
D
(TB Foam 8.2) (Flammable liquid only)
The correct answer is: The product is a combustible or flammable liquid
When operating to place foam into a tank, it should be applied as gently as possible to the surface, and if possible, into the? Select one: a. Window, located on the upwind side b. Window, located on the downwind side c. Doorway, located on the downwind side d. Doorway, located on the upwind side
A
(TB Foam—8.2)
The correct answer is: Window, located on the upwind side
The NFPA recommends having a \_\_\_\_\_ minute supply of concentrate on hand for spill fires? Select one: a. 15 b. 10 c. 17 d. 20
A
(TB Foam—8.4)
The correct answer is: 15
At a spill fire that is contained and not flowing, the widest pattern at the lowest velocity is obtained by?
Select one:
a. Directing the foam stream skyward in a slow back and forth motion
b. Bouncing the foam on the ground ahead of the fire
c. Deflecting the stream against something so the foam will slide down
d. Applying the foam directly onto the front edge of the spill
B
The correct answer is: Bouncing the foam on the ground ahead of the fire
Regarding the chance for a BLEVE to occur at a Tank Truck accident with a fire it would be correct to state?
Select one:
a. Aluminum melts at about 1100 degrees Fahrenheit, thus reducing the chance of a BLEVE
b. If the tank is made of steel, a BLEVE is extremely unlikely
c. If the tank is made of aluminum, a BLEVE is more likely than if it were made of steel
d. Immediately address a possible BLEVE by getting a Large Caliber Stream on the vapor area of the tank quickly
D
(TB Foam 8.7) (BLEVES are possible with old steel tanks, BLEVE is less likely with aluminum tank, Aluminum melts at 1220 degrees F)
The correct answer is: Immediately address a possible BLEVE by getting a Large Caliber Stream on the vapor area of the tank quickly
When operating at a Bulk Oil Storage Facility where there is fire in a Bulk Oil tank, water should be applied to other similar exposed tanks to cool them?
Select one:
a. Whenever they are filled with a flammable liquid
b. Whenever they are within 15 feet of the tank on fire
c. Only when directed by the IC
d. Only when the exposed tank is steaming
D
(TB Foam 8.10)
The correct answer is: Only when the exposed tank is steaming
When operating at a Bulk Oil Storage Facility where there is fire in a Bulk Oil tank, water should be applied to exposed pressurized tanks to cool them?
Select one:
a. Always, operating streams from the ends of the tanks
b. Only when a pressurized tank’s pressure relief valve is making increased noise, operating streams from the ends of the tank
c. Always, operating streams from the sides of the tanks
d. Only when a pressurized tank is steaming, operating streams from the sides of the tank
C
(TB Foam 8.10)
The correct answer is: Always, operating streams from the sides of the tanks
When cleaning a foam eductor, water should be educted through it?
Select one:
a. For 5 minutes
b. For 10 minutes
c. For 15 minutes
d. Until clean water flows through the eductor
D
(TB Foam 12.1)
The correct answer is: Until clean water flows through the eductor
All Engine Company eductors should be tested? Select one: a. Quarterly b. Weekly at MUD c. Monthly at MUD d. Daily
B
(TB Foam 12.3)
The correct answer is: Weekly at MUD