單項選擇題

Before leaving port on an ocean tow，a tug captain should assure himself of all the following EXCEPT（）.

A.the towing hawser can be released quickly in an emergency
B.the correct navigation lights are rigged and operable on the tug and tow
C.an insurance underwriter has prepared a pre-sailing survey
D.a pick-up wire has been rigged on the tow in case of a breakaway

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單項選擇題

Before any machinery is put in operation，you should（）.

A.ventilate all compartments，see that the machinery is clean and there are no obstructions
B.just turn the key and start up
C.take for granted that there are no fuel leaks
D.assume there are no volatile fumes in the engine space

單項選擇題

Among the possible causes of unexpected constant inclination of the floating shhip is（）.

A.consumption of on board liquids
B.miscalculation of loads
C.liquid transfer through open valves
D.flooding due to hull damage

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Before leaving port on an ocean tow，a tug captain should assure himself of all the following EXCEPT（）.

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Before any machinery is put in operation，you should（）.

Among the possible causes of unexpected constant inclination of the floating shhip is（）.

Before any machinery is put in operation，you should（）.