單項選擇題An intermediate spring is（）.

A.fitted in each leg of the towing bridle
B.generally located between the "fishplate" and the main towing hawser
C.secured at the "H" bitts
D.usually made of manila hawser


您可能感興趣的試卷

你可能感興趣的試題

1.單項選擇題An instrument that maintains a continuous record of humidity changes is called a（）.

A.thermometer
B.barometer
C.hygrograph
D.thermograph

2.單項選擇題An instrument that indicates wind direction is known as a(n)（）.

A.weather vane，wind vane or wind sock
B.hydrometer
C.hygrometer
D.sling psychrometer

3.單項選擇題All of the following steps are taken in starting a centrifugal pump，EXCEPT to（）.

A.set the relief valve
B.check the lubrication system
C.vent the pump casing
D.open the pump suction and discharge valves

4.單項選擇題After an engine is started you should（）.

A.increase engine speed to insure adequate flow of oil to all parts of the engine
B.pay no attention unless there are unusual noises from the engine
C.check operating pressures and temperatures，and check for leaks
D.run the engine at idle until the temperature has increased

5.單項選擇題A wobbling tail shaft is an indication of（）.

A.shallow water
B.an engine that is misfiring
C.a tight tail shaft gland
D.worn stern bearing or misalignment