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
What is the function of the thrust bearing?（）
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.
Lube oil cannot be efficiently filtered if its （）.
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
An automated diesel engine should normally shut down due to （）
The highest pressure in a diesel engine cylinder normally occurs （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
A diesel engine piston ring face is in direct contact with the （）.