A.slightly less than atmospheric pressure
B.approximately equal to exhaust manifold pressure at all times
C.that is widely fluctuating constantly
D.decreasing as engine load increases
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A.volute pump
B.centrifugal pump
C.diaphragm pump
D.gear pump
A.fuel oil pressure
B.a cam operated follower
C.a spring-loaded pressure plate
D.timing gears keyed to the crankshaft
A.six consecutive starts
B.eight consecutive starts
C.ten consecutive starts
D.twelve consecutive starts
A.cylinder heads
B.exhaust valves
C.scavenging air
D.injectors
A.of the diaphragm type
B.of the centrifugal type
C.of the positive displacement type
D.independently driven by electric motors
最新試題
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In a simple mechanical governor, the （）.
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If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
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Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
Lube oil cannot be efficiently filtered if its （）.
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
Routine monitoring of a diesel engine should include （）.