A.cylinder compression pressure may not be high enough
B.cylinder compression temperature may be too high
C.fuel oil injection pressure may not be high enough
D.scavenge and purge process is incomplete
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A.reduce engine horsepower output
B.aid in silencing the exhaust noise
C.increase the mean effective pressure
D.contribute to effective cylinder scavenging
A.engine overload
B.low combustion temperature
C.plugged fuel nozzle holes
D.excessive compression pressure
A.controlling the amount of fuel injected into the cylinders
B.varying the speed of the turbocharger
C.adjusting the compression ratio
D.changing the timing of the fuel injection camshaft
A.Direct linkage between the ball-head and fuel rack
B.A servomotor
C.A compensating device
D.Flyweights
A.Stationary
B.Full floating
C.Semi-floating
D.Free rolling
最新試題
An automated diesel engine should normally shut down due to （）
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.
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?（）
In using reduction gears to obtain efficient propeller speeds, （）.
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
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?（）
In a simple mechanical governor, the （）.
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 （）.