A.the inlet valve is open
B.the exhaust valve is open
C.both valves are close
D.both valves are open
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A.less than
B.greater than
C.equal to
D.twice larger than
A.less than
B.greater than
C.equal to
D.twice larger than
A.a working cycle
B.the operation
C.two fuel injections
D.events
A.turning cycle
B.working cycle
C.working hour
D.working stroke
A.to be kept
B.logged
C.changed
D.has remained
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Routine monitoring of a diesel engine should include （）.
An automated diesel engine should normally shut down due to （）
A diesel engine piston ring face is in direct contact with the （）.
What is the function of the thrust bearing?（）
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
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?（）