A.the engine stops
B.the engine is running
C.you repair the engine
D.overhauling the engine
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A.if
B.as
C.unless
D.when
A.one another
B.the other
C.each other
D.each others
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
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Maximum horsepower of a diesel engine is attained （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
When would the available energy of the exhaust gases of a two-stroke/cycle diesel engine be insufficient to drive an exhaust gas turbocharger, resulting in the incorrect amount of air for combustion?（）
In using reduction gears to obtain efficient propeller speeds, （）.
The function of diesel engine piston compression rings is to （）.
White smoke exhausting from an operating diesel engine may indicate （）.
Routine monitoring of a diesel engine should include （）.
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 （）.