A.maintain higher than normal jacket water temperature
B.change the lube oil more frequently than normal
C.maintain a higher air-box temperature than normal
D.maintain a higher air-box pressure than normal
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A.the exhaust will be clear
B.fuel consumption will be low
C.all the fuel will be burned at top dead center
D.fuel consumption will be high
In a diesel engine, when installing new piston rings it is important to check（）
Ⅰ.ring gap clearance
Ⅱ.side clearance
A.Ⅰ only
B.Ⅱ only
C.both Ⅰ and Ⅱ
D.neither Ⅰnor Ⅱ
A.angularity of the piston motion
B.inertia moment from the piston
C.centerline of the cylinder
D.centerline of the king pin
A.Worn intake valve guides
B.Pitted pre-combustion chambers
C.Loose valve tappets
D.High exhaust back pressure
A.fuel knock
B.increased power
C.low compression pressure
D.high exhaust temperature
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Flame failure in an automatically fired auxiliary boiler can from a/an （）
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）
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（）
Cold weather starting of a diesel engine may be made easier by（）
The shipboard oil pollution emergency plan will be invalid after （）
The treatment of the fuel oils involves storage, heating, filtering and（）