A.will be speeded up
B.should be slowed down
C.must slow down
D.have to be slow down
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A.the trunking should be opened up
B.should the trunking be opened up
C.the trunking should not be opened up
D.should the trunking not be opened up
A.cooling jacket
B.cylinder liner
C.piston crown
D.cylinder cover
A.the camshaft
B.the flange
C.the ridge
D.the bulge
A.charge air receiver
B.scavenging air belt
C.turbine
D.air cooler
A.thrust block
B.sounding rod
C.connecting rod
D.push rod
A.a cooling system
B.a lubrication oil system
C.an electric system
D.an injection system
A.much
B.more
C.most
D.less
A.lower than；can lubricate
B.lower than；can cool
C.higher than；can enter
D.higher than ；cannot enter
A.the cylinder cover
B.the piston rings
C.the piston crown
D.the piston skirt
A.whatever
B.whenever
C.wherever
D.whoever
最新试题
To determine if the lube oil filter elements need changing, （）.
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
Diesel engine control can be obtained by the bridge （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
The most important factor in engine performance is the actual power output at the end of the crankshaft available for doing workThis is known as （）.
A diesel engine piston ring face is in direct contact with the （）.
In a simple mechanical governor, the （）.
What is the function of the thrust bearing?（）
Lube oil cannot be efficiently filtered if its （）.
Combustion knock occurring in a diesel engine can be caused by （）.