单项选择题

Which of the listed types of starting systems is often used on large, low-speed, direct reversing, main propulsion diesel engines?（）

A.Electric
B.Hydraulic
C.Air
D.All of the above

相关考题

In a large, low-speed diesel engine the clearance betwe...

单项选择题In a large, low-speed diesel engine the clearance between the piston crown and cylinder head is found to be excessiveIn order to correct for this, you should（）

A.build up the piston crown by metal spraying
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D.install a thinner head gasket

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B.cetane number of 45
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D.octane number of 45

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A.increase
B.decrease
C.remain the same
D.increase on compression decrease on expansion

船舶电气与船舶安全

Which of the listed types of starting systems is often used on large, low-speed, direct reversing, main propulsion diesel engines?（）