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
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
In a simple mechanical governor, the （）.
A diesel engine piston ring face is in direct contact with the （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
White smoke exhausting from an operating diesel engine may indicate （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.
Combustion knock occurring in a diesel engine can be caused by （）.
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.
Proper filtering and straining of fuel oil is important because the （）.