更多"If ignited，which material would be "的相关试题:
[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]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 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]Which of the fire extinguishing agents listed is the safest to use when combating a class C fire?（）
A. CO2
B. Foam
C. Water fog
D. Soda acid
[单项选择]Which of the listed classes of fire would most likely occur in the engine room of a vessel?（）
A. Classes A and B
B. Classes B and C
C. Classes C and D
D. Classes A and D
[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 "C" fire would occur in （）
A. bedding
B. pipe insulation
C. paint
D. a generator
[单项选择]Which of the fire extinguishers listed is to be weighed annually and sent ashore for recharging if the weight loss exceeds 10% of the weight of a full charge?（）
A. Foam
B. Soda acid
C. Dry chemical
D. Carbon dioxide
[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 fire involving aluminum powder would be a class （）.
A. "A" fire
B. "B" fire
C. "C" fire
D. "D" fire
[单项选择]Which would you NOT use to report the amount of anchor chain out? Three shots（）.
A. at the water's edge
B. on deck
C. on the bottom
D. well in the water
[单项选择]Based on your 2209 fix，which would be a warning that you are being set down on Block Island Sound South Entrance Obstruction Lighted BIS Buoy? （）
A. Decreasing loran readings on 9960-W
B. Visual bearings of Montauk Point Lt. changing to the left
C. Increasing bearings of Southeast Point Light
D. Decreasing soundings
[单项选择]Sue and Labor is to（）a loss which would be recoverable under PICC Hull Insurance Clauses.
A. avert or minimize
B. increase or maximize
C. claim
D. indemnify
[单项选择]Which would influence a magnetic compass（）.
A. Electrical wiring
B. Iron pipe
C. Radio
D. All of the above
[单项选择]Which portable fire extinguisher should be used on a class C fire on board a vessel?（）
A. Carbon dioxide
B. Water (stored pressure)
C. Foam
D. Carbon tetrachloride
[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]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]Which types of portable fire extinguishers are designed for use on electrical fires?（）
A. Dry chemical and carbon dioxide
B. Foam (stored pressure) and soda-acid
C. Carbon dioxide and foam (stored pressure)
D. Dry chemical and soda-acid
[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
