A.prevent the diesel engine surging
B.prevent governor from being damaged because of swing
C.reduce the probability of the crank shaft being torsional vibrated and resonated
D.prevent the main engine being overload or overspeed
您可能感興趣的試卷
你可能感興趣的試題
A.the power of main engine will be reduced
B.exhaust temperature will be increased
C.the speed of the ship will be reduced
D.the propulsion characteristic of propeller will keep unchanged
A.reduce fuel feeding
B.increase fuel feeding
C.keep original fuel feeding
D.be overspeed
A.overspeed；overload
B.overload；overspeed
C.over torque；overspeed
D.low mechanical efficiency；overload
A.power of main engine
B.turbine rotation speed
C.speed of main engine
D.exhaust temperature
A.Ⅰ + Ⅱ
B.Ⅰ ~ Ⅲ
C.Ⅰ ~ Ⅳ
D.Ⅰ + Ⅱ + Ⅳ
最新試題
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 （）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
To proceed to the assistance of a ship in distress is（）
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
Using a file without a handle may result in （）
Flame failure in an automatically fired auxiliary boiler can from a/an （）
Under MARPOL Code the ship to which it applies has to carry （）
The treatment of the fuel oils involves storage, heating, filtering and（）
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）