A.burner valve
B.root valve
C.quick closing valve
D.oil return valve
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A.paint thinner in an open can
B.fuel accumulation in the bilge
C.oily rags in an unvented compartment
D.gasoline stored in steel drums
A.foam
B.CO2
C.low velocity water fog
D.high velocity water fog
A.close the vent
B.pump out the tank
C.activate the fixed CO2 system
D.cut off the heating coils
A.the lifting appliance can always lift the freight within its rated load
B.attention should be paid in order not to break the wedge when lifting cargo
C.sometimes the lifting work needs other assistance other than the lifting appliance
D.lifting work should be done with every part fit, tightness or adhesion
A.a driver
B.a scraper
C.a tap
D.a file
最新試題
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）
If separating effect is not good, which measure should be taken （）
Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
Diesel engine air start system check valves are opened by （）
By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a（）
Engine parameters shall be corresponded to NOx Technical Files. This is required by （）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
When does auxiliary burner of incinerator put into operation? （）Ⅰ. start incinerator when it is coldⅡ. the sludge for dealing with is littleⅢ. the sludge for dealing with is largeⅣ. the water and impurity in sludge are too muchⅤ. the temperature in incinerator is lowⅥ. dealing with little solid rubbish