單項選擇題

A diesel generator has just been paralleled with an AC turbo-generator, but the load can not be properly divided.This could be caused by（）

A.an incorrect diesel generator governor speed droop adjustment
B.a faulty reverse power relay within the main circuit breaker assembly
C.unsynchronized isochronous load distribution adjustments
D.a different speed setting on each unit

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單項選擇題

The process of scavenging a two-stroke/cycle diesel engine serves to（）

A.improve fuel flow volume
B.cool the exhaust valves
C.reduce the intake air charge density
D.increase the temperature of exhaust gases

單項選擇題

Which of the listed bearing types is an example of a solid bearing?（）

A.Piston wrist pin bushing
B.turbine bearing
C.Spring bearing
D.Diesel engine main bearing

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A diesel generator has just been paralleled with an AC turbo-generator, but the load can not be properly divided.This could be caused by（）

你可能感興趣的試題

The process of scavenging a two-stroke/cycle diesel engine serves to（）

Which of the listed bearing types is an example of a solid bearing?（）

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