A.by which
B.to which
C.in which
D.at which
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A.inside；associated
B.inside；not associated
C.outside；associated
D.outside；not associated
A.fuel-air ratio
B.compression ratio
C.fuel rack
D.viscosity index
A.boiler
B.main engine
C.auxiliary engine
D.incinerator
A.flash；fresh air
B.wash；fresh water
C.flush；compressed air
D.rush；diesel oil
A.has learnt
B.have learnt
C.learn
D.are learning
最新試題
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）
Flame failure in an automatically fired auxiliary boiler can from a/an （）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
The shipboard oil pollution emergency plan will be invalid after （）
Which of the following items don’t belong to dock repair works?（）
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
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（）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
Diesel engine air start system check valves are opened by （）