2022海船船员考试题库船舶动力装置题库全套模拟试题190

1. [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（）。

A. 越大
B. 越小
C. 固定不变
D. 不一定

2. [单选题]铁梨木艉轴承的主要损坏形式有（）。

A. 腐蚀、裂纹
B. 过度磨损、裂纹
C. 腐蚀、过度磨损
D. 烧熔、磨损、腐蚀

3. [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.

A. advanced nautical equipment
B. advanced performance main engines
C. emergency equipment
D. communication and language skill

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

A. cylinder liner
B. coupling flange
C. cylinder cover
D. piston crow

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

A. When receiving by
B. When received by
C. In order to receiving
D. In order to receive

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

A. sliding piston rings
B. engines camshaft
C. small pumps
D. forced feed system

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

A. moisture
B. dirt
C. acid
D. air

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

A. Spark plug
B. Heat of compression
C. Carburetor
D. Glow ping

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

A. in sight of the main engine(s)
B. in a tray lined with suitable material that resists damage from the electrolyte
C. in locked closets with restricted ventilation
D. near the bilge to lower the center of gravity and improve stability

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

A. kerosene
B. unleaded gasoline
C. diesel oil
D. liquefied ga

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