A.of the thin wall thickness
B.honing makes it easier to maintain the desired oil ilm
C.water seals are not required
D.it fits more loosely due to a decrease in heat transfer through the composite wall
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A.Constant pressure
B.Pulse
C.constant velocity
D.Axial flow
A.Fuel injection timing will change
B.Nozzle operation will be unaffected
C.Fuel will leak into the drain line
D.Fuel will not be delivered
A.low exhaust temperature
B.loss of engine power
C.burned intake valves
D.engine racing
A.restricted turbocharger air intake
B.oil leak into the turbocharger
C.dribbling injector
D.low fuel viscosity
The exhaust valve opens before bottom dead center in a four stroke engine to（）
Ⅰ.allow for blow down
Ⅱ.Reduce pumping losses
A.Ⅰ only
B.Ⅱ only
C.both Ⅰ and Ⅱ
D.neither Ⅰ nor Ⅱ
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Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
If separating effect is not good, which measure should be taken （）
The shipboard oil pollution emergency plan will be invalid after （）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
Using a file without a handle may result in （）
Cold weather starting of a diesel engine may be made easier by（）
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）