A.When receiving by
B.When received by
C.In order to receiving
D.In order to receive
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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
A.crankshaft
B.piston
C.connecting rod
D.bearing
最新試題
A diesel engine piston ring face is in direct contact with the ().
Maximum horsepower of a diesel engine is attained ().
Combustion knock occurring in a diesel engine can be caused by ().
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?()
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST ().
In using reduction gears to obtain efficient propeller speeds, ().
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?()
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?()
The main purpose of the piston oil scraper rings is to ().
Proper filtering and straining of fuel oil is important because the ().