单项选择题

If a ship has sternway，with accommodation block aft，she may settle with the wind（）.

A.on her beam
B.on her stern
C.on her bow
D.broad on the quarter

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单项选择题

Conventional anchors are least likely to hold in a bottom consisting of（）.

A.soft clay
B.hard mud
C.very soft mud
D.sand

单项选择题

All the following is true except that（）.

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

单项选择题

A ship will always want to settle into a position where（）.

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