更多"A class 'C' fire is burning （）."的相关试题:
[单项选择]A class C fire would be burning（）.
A. fuel oil
B. wood
C. celluloid
D. electrical insulation
[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]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]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]A class "C" fire would occur in （）
A. bedding
B. pipe insulation
C. paint
D. a generator
[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]Before attempting to put out a class “C” fire involving an electric-driven centrifugal pump, you should FIRST （）.
A. insulate your shoes
B. ground the fire hose
C. secure its power supply
D. start the fire pump
[单项选择]Fire extinguishing agents used on Class C fires must be（）.
A. able to absorb heat
B. water based
C. nonconducting
D. nontoxic
[单项选择]The fire of burning paper is classified as（）fire.
A. Class A
B. Class B
C. Class C
D. Class D
[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 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]Fire prevention during welding or burning aboard any vessel should include （）.
A. posting a fire watch in the immediate area
B. providing an extinguisher which is ready for immediate use
C. requiring the fire watch to remain on post for 30 minutes after the completion of welding or burning
D. All of the above
[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]The fire of burning plastics is classified as （） fire.
A. Class A
B. Class B
C. Class C
D. Class D
[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]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
