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單項選擇題

A fuel leak occurs in the high pressure fuel piping between the injection pump and fuel nozzleThis requires immediate repair because of the （）

A.high cost of fuel
B.serious fire hazard
C.possibility of pollution
D.poor combustion which will occur in that cylinder

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單項選擇題

Lube oil accumulating in the cooling water system of a diesel engine will result in （）

A.lube cooler failure
B.poor heat transfer
C.mechanical lubricator failure
D.camshaft seizure

單項選擇題

A spring-loaded centrifugal flyweight governor responds to reduced engine load with an immediate increase in （）

A.pilot valve oil pressure
B.speeder spring force
C.compensation needle valve clearance
D.centrifugal force on the flyweights

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