AND VERIFIED ANSWERS|| ALREADY
GRADED A+|| GUARANTEED PASS || LATEST
UPDATE!!!
Which type of portable fire extinguisher is least likely to expose the operator to
electrical shock?
a. dry chemical
b. pressurized water
c. Stored pressure AFFF
d. Film-forming fluoroprotein - ANSWER-a. dry chemical
Class K fires involve
a. atomic material
b. computer network equipment
c. hazardous waste
d. high temp cooking oils, such as vegetable or animal oils and fats - ANSWER-
d. high temp cooking oils, such as vegetable or animal oils and fats
The greatest concern associated with selecting too small of an extinguisher is
that
a. the contents will expel too quickly
b. delicate equipment could be damaged by over application
c. the operator has to get to close to the fire
,d. excessive amounts of dry chemical result in poor visibility - ANSWER-c. the
operator has to get to close to the fire
Regular dry chemicals (sodium bicarbonate-based and potassium-based) work
on _________ fires
a. only class D
b. Class K
c. Only Class B
d. Classes B and C - ANSWER-d. Classes B and C
The acronym for the 4-step process for proper use of a fire extinguishers is
a. PASS
b. RACE
c. PACE
d. DUMP - ANSWER-a. PASS
The AFFF portable extinguishers use what means for expelling their contents
a. springs
b. vacuum
c. Compressed air
d. Gravity - ANSWER-c. Compressed air
Which is true regarding fire extinguishers
a. firefighters should only rely on fire extinguishers carried on fire apparatus
b. firefighters should only rely on fire extinguishers found in occupancies
c. NFPA 1901 requires one fire extinguisher
,d. NFPA 1901 requires a pressurized water fire extinguisher - ANSWER-a.
firefighters should only rely on fire extinguishers carried on fire apparatus
Water-mist fire extinguishers are safe to use on energized electrical equipment
because the water they use is
a. Deionized
b. ordinary
c. distilled
d. sterile - ANSWER-a. Deionized
There are two basic designs for handheld dry chemical extinguishers
a. cartridge and stored pressure
b. pressurized and non pressurized
c. stored pressure and upright
d. non pressurized and cartridge - ANSWER-a. cartridge and stored pressure
The organization charged for independently testing and certifying fire
extinguishers is
a. American national standards institute (ANSI)
b. NFPA
c. State fire Marshal or its designated authority having jurisdiction
d. Underwriters Laboratories (UL) - ANSWER-d. Underwriters Laboratories
(UL)
AFFF extinguishing agents are applicable to _____________ fires
a. Class C
, b. Class D
c. both Class A and B
d. Class A,B, and C - ANSWER-c. both Class A and B
When applying dry powder to a class D fire, the operator will need to
a. use large amounts of dry powder to completely cover the burning metal
b. apply the powder in small amounts to avoid spreading the fire
c. apply carbon dioxide to cool the metal first, then apply dry powder
d. place the burning metal in a fireproof container such as a metal garbage can. -
ANSWER-a. use large amounts of dry powder to completely cover the burning
metal
What best describes a bight ?
a. the part of the rope used for the work
b. the part of the rope used for hoisting or pulling
c. reversing the rope back upon itself, while keeping the two sides of the rope
parallel
d. forming a loop around to a plane parallel with the other side - ANSWER-c.
reversing the rope back upon itself, while keeping the two sides of the rope
parallel
At room temperature, combustion is supported at O2 concentrations as low as
_____ percent
a. 5-7
b. 10-12
c. 14-16
d. 18-20 - ANSWER-c. 14-16