A.should be gradually increased
B.should be gradually reduced
C.should be constantly kept
D.should be varied up and down
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A.dividing walls
B.divided walls
C.dividing liners
D.divided jackets
A.water liner
B.wet liner
C.dry liner
D.drown liner
A.sea water
B.scavenging air
C.lubricating oil
D.fuel oil
A.jacket water
B.make-up water
C.boiler water
D.flushing water
A.the faster it will evaporate
B.the slower it will condense
C.the slower it will evaporate
D.the faster it will flow
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When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
To determine if the lube oil filter elements need changing, （）.
Maximum horsepower of a diesel engine is attained （）.
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
White smoke exhausting from an operating diesel engine may indicate （）.