单项选择题
A.lube cooler failure
B.poor heat transfer
C.mechanical lubricator failure
D.camshaft seizure
单项选择题 A spring-loaded centrifugal flyweight governor responds to reduced engine load with an immediate increase in （）
单项选择题 In order to start a large, low-speed, main propulsion diesel engine on high viscosity fuel after an extended shutdown, the （）
单项选择题 Excessive diesel engine back pressure may be an indication of （）