A.seal the space between the piston and the liner
B.reduce the amount of lube oil burned in the combustion chamber
C.transmit heat from the piston to the cylinder liner
D.damp out fluctuations of the piston side thrust
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A.when the engine RPM is pulled down by overload
B.at rated engine RPM
C.at 95 % of rated engine RPM
D.at 95 % of a properly adjusted governor RPM with the engine under full load
A.temperature
B.pressure
C.engine speed
D.all of the above
A.two crankshaft revolutions in a two-stroke/cycle engine
B.two power strokes in a two-stroke/cycle engine
C.one power stroke in a two-stroke/cycle engine
D.two piston strokes in a two-stroke/cycle engine
A.at each control station
B.in the chief engineer’s quarters
C.in the captains quarters
D.All of the above are correct
A.a cracked liner
B.burning lube oil
C.an overloaded engine
D.insufficient combustion air
最新試題
A thrust bearing is used with a propulsion diesel engine to （）.
Proper filtering and straining of fuel oil is important because the （）.
Lube oil cannot be efficiently filtered if its （）.
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
Diesel engine control can be obtained by the bridge （）.
Routine monitoring of a diesel engine should include （）.
Combustion knock occurring in a diesel engine can be caused by （）.
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.