A.affect the injection pressure
B.improve combustion
C.reduce compression pressure
D.decrease power output
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A.Excessively early injection timing
B.Combustion knock
C.Leaking piston rings
D.Light load
A.Combustion does not begin until the piston starts down on the power stroke
B.Maximum combustion pressure is reached before TDC
C.Turbulence in the cylinder causes a delay in ignition
D.Maximum cylinder firing pressure is not developed until the piston passes TDC
A.performance
B.horsepower output
C.fuel consumption
D.scavenge effect
A.low compression pressure
B.increased piston wear
C.increased cylinder lube oil consumption
D.poor contact between compression rings and liner
A.The sequence of events that produce a power pulse
B.One rotation of the engine crankshaft
C.One stroke of a piston
D.All of the above
最新試題
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.
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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 （）.
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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 （）.
Lube oil cannot be efficiently filtered if its （）.
An automated diesel engine should normally shut down due to （）
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.