A.During operation at low speed
B.During operation at rated speed, but low power output
C.During acceleration
D.All of the above
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A.compression pressures are below normal
B.lube oil is diluted with fuel oil
C.cranking speed is too low
D.exhaust system is partially restricted
A.checking for leaks
B.checking temperatures and pressures
C.listening for abnormal noises
D.all of the above
A.reduce the engine load
B.increase the cooling water flow
C.increase the lube oil pressure
D.adjust the fuel rack
A.prevent piston side thrust
B.prevent engine friction losses
C.transmit heat from the piston to the cylinder liner
D.remove oil from the cylinder combustion space
A.top of the ring groove
B.cylinder liner oil film
C.bottom of the ring groove
D.back of the ring groove
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Routine monitoring of a diesel engine should include （）.
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
A diesel engine piston ring face is in direct contact with the （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
In a simple mechanical governor, the （）.
Lube oil cannot be efficiently filtered if its （）.
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Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
Proper filtering and straining of fuel oil is important because the （）.