A.burner valve
B.root valve
C.quick closing valve
D.oil return valve
您可能感興趣的試卷
你可能感興趣的試題
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
Engine parameters shall be corresponded to NOx Technical Files. This is required by （）
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
If separating effect is not good, which measure should be taken （）
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
The condensers located in various stages of a flash evaporator are cooled by（）
Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）
To proceed to the assistance of a ship in distress is（）
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
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（）