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
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
An automated diesel engine should normally shut down due to （）
In using reduction gears to obtain efficient propeller speeds, （）.
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
A thrust bearing is used with a propulsion diesel engine to （）.
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
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 （）.