[单选题]关于曲轴臂距差的测量值如果测量点距曲柄销中心线越远，则臂距差的测量值（）。

正确答案 ：A

越大

[单选题]铁梨木艉轴承的主要损坏形式有（）。

正确答案 ：B

过度磨损、裂纹

[单选题]Administrations should bear in mind the significance of （） in maintaining safety of life and property at sea and in preventing marine pollution.

正确答案 ：D

communication and language skill

[单选题]Each cylinder is closed at the top by a （）, made of a special heat-resistant steel.

正确答案 ：C

cylinder cover

[单选题]（） the cylinder walls, the heat passes through them by conduction.

正确答案 ：B

When received by

[单选题]The lube oil to lubricate the surfaces of the cylinder liners is spread over by the （）.

正确答案 ：A

sliding piston rings

[单选题]The most common contaminate of governor hydraulic fluid is （）.

正确答案 ：B

dirt

[单选题]What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）

正确答案 ：B

Heat of compression

[单选题]Storage batteries on T-Boats must be located（）.

正确答案 ：B

in a tray lined with suitable material that resists damage from the electrolyte

[单选题]The engine in a covered lifeboat is fueled with（）.

正确答案 ：C

diesel oil

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