A.the exhaust valve
B.the starting air
C.the inlet valve
D.the fuel oil
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A.to protect
B.to guard
C.to maximize
D.to minimize
A.will be speeded up
B.should be slowed down
C.must slow down
D.have to be slow down
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
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The minimum speed an engine must attain before ignition can occur depends upon （）.
The main purpose of the piston oil scraper rings is to （）.
A diesel engine piston ring face is in direct contact with the （）.
White smoke exhausting from an operating diesel engine may indicate （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
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 （）.
Proper filtering and straining of fuel oil is important because the （）.
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?（）
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.