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
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相关考题
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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 -
单项选择题
The device allowing for the change in volume of the cooling water in a propulsion diesel engine closed cooling system is the （）.
A.fresh water expansion tank
B.sea water expansion tank
C.thermostatic expansion valve
D.jacket water cooler accumulator
