单项选择题
The lube oil cooler is located after the lube oil filter in order for （）
A.the filter to operate more efficiently
B.the lube oil cooler to be bypassed
C.positive lube oil pump suction to be assured
D.galvanic action in the cooler to be minimized
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相关考题
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单项选择题
In a large, slow-speed, main propulsion diesel engine, which of the parts listed is under tension when the engine is running?（）
A.Bed plate
B.Column
C.Entablature
D.Tie rod -
单项选择题
The color of the exhaust from a diesel engine should be （）
A.clear
B.hazy light brown
C.hazy light blue
D.hazy light grey -
单项选择题
Scavenging in a four-stroke/cycle diesel engine occurs during the （）.
A.last part of the exhaust stroke, and the first part of the intake stroke
B.last part of the intake stroke only
C.early part of the injection stroke only
D.early part of the power stroke
