A.to remove heat from oil cooled pistons
B.to wash away wear detritus
C.to neutralize acidic products
D.all of the above
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A.bearing knocks
B.dropping of pressure of LO
C.noises
D.all the above
A.starting air pressure too high
B.correct timing of starting air valves
C.three of the six starting valves stuck
D.the turning gear disengaged
A.too low starting air pressure
B.main start valve closed
C.neither A nor B
D.A and B
A.The process begins after TDC
B.The process ends before TDC
C.When the piston is near to the TDC the fuel injection ends
D.None of the above is true
A.setting point
B.ash
C.sulfur content
D.carbon residues
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If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
Routine monitoring of a diesel engine should include （）.
The function of diesel engine piston compression rings is to （）.
Maximum horsepower of a diesel engine is attained （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
In a simple mechanical governor, the （）.
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
Lube oil cannot be efficiently filtered if its （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）