单项选择题
A.TBN of the lubricating oil
B.Temperature of the lube oil
C.Completeness in the mixing of the fuel and air
D.Temperature of the cooling (sea) water
单项选择题 When attempting to start a main propulsion diesel engine, the engine, the engine turns at the proper speed but will not startYou should check the（）
单项选择题 When attempting to start a main propulsion diesel engine, the engine, the engine turns at the proper speed but will not startYou should check the（）
单项选择题 The speed of the turbocharger for a four-stroke/cycle diesel engine driving a generator at constant speed depends on the （）