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
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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
A.great circle
B.small circle
C.large circle
D.general circle
A.anchoring in the Mediterranean
B.docking stern to a berth
C.docking bow to a berth
D.anchoring in a strong current
A.To take off the covers from the hawse pipes and clear the spurling pipes
B.To make sure that the windlass is out of gear and the brakes are on
C.To turn the windlass over slowly
D.To inform the engine room to ensure that deck power and water are off
最新試題
A check line is（）.
If a ship has sternway，with accommodation block aft，she may settle with the wind（）.
A “Mediterranean moor” should be used when（）.
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（）.
When dropping anchor，you are stationed at the windlass brake．The most important piece（s）of gear is（are）（）.
What effect is achieved from soaking an anchor（）．
You are planning to anchor in an area where several anchors have been lost due to fouling.As a precaution，you should（）.
What is the best guide for determining the proper scope of anchor chain to use for anchoring in normal conditions（）.
Which safety check（s）should be made before letting go the anchor（）.
You are entering port and have been instructed to anchor，as your berth is not yet available.You are on a SW’ly heading，preparing to drop anchor，when you observe the range lights as shown on your starboard beam.You should（）.