A.stored in a common fuel line
B.pumped by the injection pump
C.at low pressure
D.already atomized
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A.fluctuates with the engine speed to some extent, independent of the engine speed
B.keeps constant at all engine speed, dependent on the engine speed to some extent
C.keeps constant at all engine speed, independent of the engine speed
D.is decided by the engine speed, constant at all engine speed
A.for FP, once fitted, the position of the blades can also be changed in operation
B.for CP, once fitted, the position of the blades can also be changed in operation
C.the CP type has a relatively smaller hub compared with the FP propellers
D.the FP type has a relatively larger hub compared with the CP propellers
A.shaft
B.boss
C.wheel
D.lever
A.higher
B.lower
C.very higher
D.very lower
A.A special sealing gland
B.Propeller
C.Tailshaft
D.Sterntube bearing
最新試題
Which of the following items don’t belong to dock repair works?（）
Diesel engine air start system check valves are opened by （）
The cetane rating of diesel fuel is an indication of the （）
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
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
If separating effect is not good, which measure should be taken （）
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（）
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）