單項選擇題

In the construction of a diesel engine, what is the purpose of end plates?（）

A.To provide accessibility to the cylinder liners
B.To add stability to the engine block
C.To add rigidity to the block and a surface for attaching other parts
D.To make a surface for the base

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單項選擇題

A turbocharged, four-stroke/cycle diesel engine has a larger valve overlap than a naturally aspirated four-stroke/cycle diesel engine, in order to in crease the （）.

A.temperature of the exhaust gases
B.energy supplied to the turbocharger
C.air pressure to the intake manifold
D.purge of exhausted gases from the cylinders

單項選擇題

A change in the quality of fuel atomization by a diesel engine fuel injector would be caused by a/an （）

A.increase in engine speed
B.increase in cylinder turbulence
C.leaking needle valve
D.reduction in cylinder turbulence