更多"For which of the listed classes of "的相关试题:
[单项选择]Which of the listed classes of fire is considered as one involving electrical equipment?()
A. Class "A"
B. Class "B"
C. Class "C"
D. Class "D"
[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]Which of the listed fire extinguishers is recommended for use on an electrical switchboard fire?()
A. CO2
B. ABC dry chemical
C. CO2 propelled foam
D. All of the above
[单项选择]Which of the listed fire extinguishers cannot be easily recharged aboard ship?()
A. Soda acid
B. Carbon dioxide
C. Dry chemical
D. Cartridge-operated Foam
[单项选择]In which of the areas listed is a fire resulting from spontaneous combustion most likely to occur?()
A. Engine room bilges
B. Paint locker
C. Battery storage locker
D. Fuel oil tank
[单项选择]Which fire extinguishing agent has the greatest capacity for absorbing heat?()
A. Water
B. Foam
C. Dry chemical
D. Carbon Dioxide
[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 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]Which fire detection system is actuated by sensing a heat rise in a compartment?()
A. Manual fire detection system
B. Automatic fire detection system
C. Smoke detection system
D. Watchman's supervisory system
[单项选择]Which fire fighting agent has the greatest capacity for absorbing heat?()
A. water
B. dry chemical
C. foam
D. CO2
[单项选择]Which fire extinguishing agent can NOT be used on an ethylenediamine?()
A. Water foam
B. Dry chemical powder
C. Water fog
D. Alcohol 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]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]There are two classes of vessels which,to the extent necessary to carry out their work,do not have to comply with the rule regarding traffic separation schemes. One of these is a vessel().
A. engaged in fishing in a traffic lane
B. servicing a submarine cable
C. towing another
D. engaged on pilotage duty
[单项选择]Which portable fire extinguisher is normally recharged in a shore facility?()
A. Dry chemical (cartridge-operated)
B. Water (cartridge-operated)
C. Water (pump tank)
D. Carbon dioxide
[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]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]An engine compartment gasoline fire requires which type of extinguisher?().
A. Carbon dioxide
B. Dry chemical
C. Foam
D. All of the above