更多"A class C fire would be burning()."的相关试题:
[单项选择]A class "D" fire would be considered as burning ().
A. wood
B. oil
C. electrical equipment
D. magnesium
[单项选择]A class "C" fire is burning ().
A. diesel oil
B. magnesium
C. dunnage
D. electrical insulation
[单项选择]A class "C" fire would occur in ()
A. bedding
B. pipe insulation
C. paint
D. a generator
[单项选择]If ignited,which material would be a class B fire?()
A. Magnesium
B. Paper
C. Wood
D. Diesel Oil
[单项选择]A burning AC motor would be considered what class of fire?()
A. Class "A"
B. Class "B"
C. Class "C"
D. Class "D"
[单项选择]A class "C" fire would most likely occur in the ().
A. engine room bilges
B. main switchboard
C. paint locker
D. rag bin
[单项选择]Halon extinguishers used on a class C fire should be directed at the().
A. base of the equipment
B. top of the equipment
C. power source
D. source of the fire
[单项选择]Which of the listed burning materials would be described as a class "B" fire?()
A. Acetylene
B. Lube oil
C. Grease
D. All of the above
[单项选择]Any extinguishing agent used on a Class C fire must have which important property?()
A. Cooling ability
B. Leaves no residue
C. Penetrating power
D. Nonconductivity
[单项选择]On a class B fire,which portable fire extinguisher would be the LEAST desirable?()
A. Carbon dioxide
B. Water (stored pressure)
C. Dry chemical
D. Foam
[单项选择]A fire involving aluminum powder would be a class ().
A. "A" fire
B. "B" fire
C. "C" fire
D. "D" fire
[单项选择]Dry chemical extinguishers extinguish class B fires to the greatest extent by().
A. cooling
B. smothering
C. oxygen dilution
D. breaking the chain reaction
[单项选择]A class "B" fire would most likely occur in the ().
A. main switchboard
B. engine room bilge
C. breathing compartment
D. electric fresh water transfer pump
[单项选择]The best method of extinguishing a class A fire is to ().
A. remove oxygen from the area
B. smother fire with foam
C. smother fire with CO2
D. cool fuel below ignition temperature
[单项选择]The class of fire on which a blanketing effect is essential to extinguish the fire is ().
A. class A
B. class B
C. class C
D. class D
[单项选择]Halon from extinguishers used on a class B fire,should be directed().
A. at the top of the flames
B. at the base of the fire near the edge
C. in short quick bursts
D. toward the upwind side of the fire
[单项选择]A class B fire is most successfully fought by().
A. preventing oxygen from reaching the burning material
B. cooling the burning material below its ignition temperature
C. using the extinguishing agent to make the burning material fire-resistant
D. using the extinguishing agent to absorb the heat
[单项选择]When the PSCO would like to witness a fire drill carried out by the crew, he should consult ()to locate a simulated fire.
A. the manager of the company
B. the surveyor of the Classification Society
C. the master of the vessel
D. the chief engineer of the vessel