单项选择题
A sudden drop in compression pressure in one cylinder of a diesel engine can be caused by（）
A.a leaking fuel injector nozzle
B.a clogged air filter
C.excessively early fuel injection
D.malfunctioning valves
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相关考题
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单项选择题
One end of a diesel engine cylinder is sealed by the cylinder head and the other end by the （）
A.crankcase
B.piston
C.cylinder liner
D.crank cheek -
单项选择题
The exhaust system for a turbocharged two-stroke/cycle diesel engine functions to（）
A.discharge exhaust gases and smoke
B.furnish energy to the turbocharger
C.reduce engine room noise
D.all of the above -
单项选择题
Incomplete combustion in a running diesel engine can cause piston rings to become stuck as a result of （）
A.residual carbon deposits
B.lube oil viscosity breakdown
C.uneven heat expansion of the rings
D.uneven heat expansion of the piston
