How is the ship heading?()
A、Port fifteen.
B、Starboard ten.
C、Course 240 degrees.
D、OK.
A、Port fifteen.
B、Starboard ten.
C、Course 240 degrees.
D、OK.
A、The captain is the head of a ship. B、The master is the head of a ship. C、The deck department is under the command of the chief officer. D、The pilot is the head of a ship.
A、the total weight in air of the casing string is removed from the ship B、the hook load (weight of the casing string) is removed from the ship C、the weight of the casing inside the riser is removed from the ship D、the weight of the casing string added to the weight of the fill-up mud is removed from the ship
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