A.Chain stopper
B.Devil's claw
C.Hawse ratchet
D.Riding pawl
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A.pilot ladder
B.rope ladder
C.rod ladder
D.accommodation ladder
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
最新試題
You are underway in fog and you hear one prolonged blast followed by two short blasts.This is a vessel（）.
What is the best guide for determining the proper scope of anchor chain to use for anchoring in normal conditions（）.
Conventional anchors are least likely to hold in a bottom consisting of（）.
A ship will always want to settle into a position where（）.
You are docking a vessel in a slip which has its entrance athwart the tide.You land the ship across the end of the pier，stemming the tide，preparatory to breaking the ship around the corner.You have one tug to assist．Where would you generally tie up the tug（）.
A check line is（）.
Which would you NOT use to report the amount of anchor chain out? Three shots（）.
（）is not a step for anchoring preparation.
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 weighing anchor in a rough sea，how would you avoid risk of damaging the bow plating （）.