單項(xiàng)選擇題

If a diesel engine fails to start，one of the likely causes is （）

A.low compression temperature
B.low ambient air pressure
C.high lube oil pump pressure
D.high fuel oil booster pump pressure

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單項(xiàng)選擇題

Icreasing the exhaust valve tappet clearance of a diesel engine will result in the exhaust valve opening （）

A.later and closing earlier
B.later and closing later
C.earlier and closing earlier
D.earlier and closing later

單項(xiàng)選擇題

When the opening pressure of a diesel fuel injector is greater than that specified by the engine manufacturer，the （）

A.quantity of fuel injected is decreased
B.quantity of fuel injected will always be increased
C.start of injection is advanced
D.duration of injection will always be greater

If a diesel engine fails to start，one of the likely causes is （）

你可能感興趣的試題

Icreasing the exhaust valve tappet clearance of a diesel engine will result in the exhaust valve opening （）

When the opening pressure of a diesel fuel injector is greater than that specified by the engine manufacturer，the （）

If a diesel engine fails to start，one of the likely causes is （）

When the opening pressure of a diesel fuel injector is greater than that specified by the engine manufacturer，the （）