更多"Fire in an engine compartment is be"的相关试题:
[单项选择]Fire in an engine compartment is best extinguished with carbon dioxide gas (CO2) and by（）.
A. completely closing the compartment
B. closing the compartment except for the ventilators
C. leaving the compartment open to the air
D. increasing the air flow to the compartment by blowers
[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
[单项选择]A large oil fire is best extinguished with（）
A. soda acid
B. foam
C. CO2
D. sand
[单项选择]A fire can be extinguished by removing （）.
A. the heat
B. the fuel
C. the oxygen
D. any of the above
[单项选择]After a fire has been extinguished in a closed space, personnel may safely enter the space when （）.
A. smoke density has been decreased sufficiently to see the bulkhead opposite the compartments entrance
B. a lifeline and explosion proof flash light are used
C. all smoke and toxic fumes are removed and an adequate oxygen supply is present
D. overhaul has been completed to remove any possible source of re-ignition
[单项选择]When an oil fire has been extinguished, the surface of the oil should be kept covered with foam to prevent （）.
A. air from contacting the oil vapors
B. permitting re-ignition boiling of the heated oil
C. spontaneous combustion below the oil surface
D. toxic fumes from escaping to the surface
[单项选择]Oil fires are best extinguished by（）.
A. cutting off the supply of oxygen
B. removing the fuel
C. cooling below the ignition temperature
D. spraying with water
[单项选择]Class B fires are best extinguished by smothering, i-e（）.
A. deprival of oxygen
B. removal of heat
C. spraying of water
D. injecting of soda-acid
[单项选择]Class A fires are best extinguished by quenching or cooling with （）.
A. deprival of oxygen
B. a water spray
C. soda-acid
D. foam
[单项选择]Fighting a rig fire in a watertight compartment with hoses could reduce the stability of the rig by（）.
A. progressive downflooding
B. reducing the level of drill water from the storage tanks
C. causing a list due to the water in the compartment
D. reducing the KG to minimum allowable
[单项选择]Class C fires are best extinguished by （）.
A. foam extinguishers
B. water spray equipment
C. dry powder extinguishers
D. soda-acid extinguishers
[单项选择]The alarm signal for engine room catching fire is a blast of random bell follow by （）
A. two knock
B. three knocks
C. four knocks
D. five knocks
[单项选择]Engine room is（）fire.
A. on
B. in
C. at
D. out
[单项选择]Before you start an engine in a compartment，it’s MOST important to（）.
A. check the flame arrester
B. check the fuel tank
C. check the battery
D. ventilate the bilges
[单项选择]Once a fire is detected the engine should be slowed downOn no account （）.
A. the trunking should be opened up
B. should the trunking be opened up
C. the trunking should not be opened up
D. should the trunking not be opened up
[单项选择]A dirty diesel engine oil filter element can best be detected by （）.
A. visual inspection of the elements
B. the pressure drop across the filter
C. high lube oil sump temperature
D. decrease in oil viscosity from the filter
[单项选择]If a scavenge fire starts, the engine must be put to “（）” and the fuel must be taken off the cylinders affected by the fire.
A. stop engine
B. finished with engine
C. dead slow ahead
D. dead slow astern
