A.one another
B.the other
C.each other
D.each others
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A.lubrication
B.cooling
C.balancing purpose
D.ventilation
A.can be recovered
B.is only supplied to cylinders
C.only feeds the main bearing
D.is a kind of detergent
A.pressure gauges
B.stretch gauges
C.thermometers
D.bridge gauges
A.should be gradually increased
B.should be gradually reduced
C.should be constantly kept
D.should be varied up and down
A.dividing walls
B.divided walls
C.dividing liners
D.divided jackets
最新試題
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
Combustion knock occurring in a diesel engine can be caused by （）.
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
Maximum horsepower of a diesel engine is attained （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
An automated diesel engine should normally shut down due to （）
The most important factor in engine performance is the actual power output at the end of the crankshaft available for doing workThis is known as （）.
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.