更多"Which of the listed classes of fire"的相关试题:
[单项选择]For which of the listed classes of fire combinations would carbon dioxide be most suitable as the extinguishing agent （）.
A. Class "A" and class "B"
B. Class "B" and class "C"
C. Class "A" and class " C"
D. Class "C", class "D", and class "E"
[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]（）should not be considered as components as fire installations.
A. fire pumps
B. fire mains
C. hydrants and hoses
D. closing appliances which are kept permanently closed at sea
[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 of the listed materials would be considered as a bunting class "C" fire?（）
A. Fuel oil
B. Wood
C. Celluloid
D. Electrical insulation
[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 of the listed components is considered to separate the high pressure side of a refrigeration cycle from the low pressure side of the cycle?（）
A. The condenser and the expansion valve
B. The king valve and the solenoid valve
C. The compressor and the expansion valve
D. The condenser and the solenoid valve
[单项选择]Which of the listed conditions can be considered as the single greatest cause of accidents?（）
A. Speed
B. Excessive knowledge or skill
C. Human error
D. Excitement
[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 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 of the valves listed is NOT considered to be a hydraulic system directional control valve?（）
A. Spring-centered valve
B. Unloading valve
C. Three-position valve
D. Two-position valve
[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]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
