A.more water contents
B.contamination with fuel oil
C.higher temperature
D.sufficient cooling of oil mist
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A.is always less than 100%
B.is always more than 100%
C.is always equal to 90%
D.is always less than 90%
A.principle
B.principal
C.cause
D.case
A.two-stroke
B.four-stoke
C.long-stroke
D.short-stroke
A.bedplate, connecting rods
B.crankshaft, the connecting rods
C.frames, crossheads
D.crankshaft, the cylinder
A.the information
B.the formation
C.the scatter
D.the friction
最新試題
What is the function of the thrust bearing?（）
An automated diesel engine should normally shut down due to （）
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
The ability of the governor to prevent fluctuations in engine speed is termed （）.
Combustion knock occurring in a diesel engine can be caused by （）.
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
A thrust bearing is used with a propulsion diesel engine to （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
To determine if the lube oil filter elements need changing, （）.
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.