单项选择题
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
单项选择题 The process of scavenging a two-stroke/cycle diesel engine serves to（）
单项选择题 Which of the listed bearing types is an example of a solid bearing?（）
单项选择题 A distorted spray pattern from a fuel injector can cause a diesel engine to have （）
