The ship’s draught forward is as same as her draught aft. This condition is named as().
A、even keel
B、even trim
C、even draught
D、even float
A、even keel
B、even trim
C、even draught
D、even float
A、trim by the head B、trim by the stern C、even keel D、drafts different
A、A.trim by the head B、B.trim by the stern C、C.even keel D、D.drafts different
A、even keel B、even trim C、even draught D、even float
A、3 short blasts of the ship's whistle B、1 short blast of the ship's whistle C、3 long blasts of the ship's whistle D、1 long blast of the ship's whistle
A、a little deeper aft B、a little deeper forward C、at the same draught between fore and aft D、a balance between two sides
A、a little deeper aft B、a little deeper forward C、at the same draught between fore and aft D、a balance between two sides
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、ahead and equal to the ship's speed B、astern and equal to the ship's speed C、ahead and equal to twice the ship's speed D、astern and equal to twice the ship's speed
A、the depth of the water at the berth B、the ship‟s draught C、the duty of the relieving officer D、the arrangement of anchor and the scope of the anchor chain