A.pilot ladder
B.rope ladder
C.rod ladder
D.accommodation ladder
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A.on her beam
B.on her stern
C.on her bow
D.broad on the quarter
A.soft clay
B.hard mud
C.very soft mud
D.sand
A.in many places a counter current flows in opposition to the main current close to the bank
B.current can vary with depth of water and large deep draught ships can experience different current effects at differing parts of the hull tend to turn to the wind
C.as speed is reduced，the increased proportion of the ship's vector which is attributable to current will set the ship close to obstructions
D.when close to the berth in a head current，there is a danger that flow inshore of the ship becomes restricted and the ship is subject to interactive forces
A.the pivot point and point of influence of wind in are not in alignment
B.the pivot point and point of influence of wind in are in alignment
C.the point of influence of wind moves depending on the profile of the ship presented to the wind
D.the ship steams slowly in rough seas
A.A safety line attached to a man working over the side
B.Used to measure water depth
C.Used to slow the headway of a barge
D.Used to measure the overhead height of a bridge
最新試題
You are making a sharp turn in a channel and using a buoy four points on the bow to gauge your rate of turn.If you observe the buoy moving aft relative to you，what should you do（）.
If the ship is alongside the wharf，what kind of（）is used?
Your vessel is anchored in an open roadstead with three shots of chain out on the port anchor.The wind freshens considerably and the anchor begins to drag.Which action should you take FIRST（）.
The centre of lateral resistance is（）.
When dropping anchor，you are stationed at the windlass brake．The most important piece（s）of gear is（are）（）.
If the winch should fail while you are hauling in the anchor，what prevents the anchor cable from running out（）.
You are riding to a single anchor.The vessel is yawing excessively.Which action should be taken to reduce the yawing（）.
A（）is the intersection of the surface of a sphere and a plane passing through the center of the sphere.
When entering the bridge，pilots of the Suez Canal want the master of the ship to fill in （）.
You are planning to anchor in an area where several anchors have been lost due to fouling.As a precaution，you should（）.