單項(xiàng)選擇題Electric cargo winches have an overload safety device which normally cuts the current to the winch motor().

A.after torque cause line pull to exceed the rated capacity of the winch
B.before the line pull reaches the rated capacity of the winch
C.when the line pull reaches the breaking strengh of the fall
D.before the safe working load of the fall is reached


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2.單項(xiàng)選擇題Every ship should hoist()when approaching and entering ports.

A.its flashing light
B.the ship's name
C.its identification
D.its signal letters

3.單項(xiàng)選擇題Except in rare cases,it is impossible to extinguish a shipboard fire by().

A.removing the heal
B.removing the oxygen
C.removing the fuel
D.interrupting the chain reaction

4.單項(xiàng)選擇題Failure to comply with the above may()actoin being taken against the vessel.

A.resulted in
B.result in
C.resulting in
D.to result in

5.單項(xiàng)選擇題Faking a line means to().

A.arrange it on deck in long bights
B.coil it down on deck
C.put a whipping on it
D.stow it below