A.to give off；which
B.giving off；which
C.to give off；that
D.giving off；that
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A.cylinder liner
B.cylinder cover
C.piston
D.exhaust valve
A.ff overheat is found, the engine must be stopped for inspection
B.Much heat of the crankcase door indicates that the bearing is overheated
C.If bearing clearance is too large, knocking will be heard in the crankcase
D.If bearing clearance is too large or too small, the white metal may be melted
A.Because the piston is exposed to very high temperature, it must be cooled
B.The lower the piston cooling temperature is, the better it is
C.Both water and lube oil can be used as coolant
D.One of the piston cooling methods is vibration cooling, with better effect
A.crankshaft
B.piston
C.connecting rod
D.bearing
A.steam engine
B.steam turbine
C.gas turbine
D.diesel engine
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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 （）.
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
Proper filtering and straining of fuel oil is important because the （）.
Maximum horsepower of a diesel engine is attained （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
When would the available energy of the exhaust gases of a two-stroke/cycle diesel engine be insufficient to drive an exhaust gas turbocharger, resulting in the incorrect amount of air for combustion?（）
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?（）
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.