A.The high；the large
B.The higher；the larger
C.The lower；the larger
D.The low ；the large
您可能感興趣的試卷
你可能感興趣的試題
A.When receiving by
B.When received by
C.In order to receiving
D.In order to receive
A.to give off；which
B.giving off；which
C.to give off；that
D.giving off；that
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
最新試題
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
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?（）
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
White smoke exhausting from an operating diesel engine may indicate （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
The function of diesel engine piston compression rings is to （）.
Routine monitoring of a diesel engine should include （）.