The loading of the ship must be done in accordance with（）.

When steering by autopilot,how often should the steering be checked?（）

The force resulting from the earth’s rotation that causes winds to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere is called（）.

Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.

The mean draft of a ship is the draft（）.

The circulation around a low pressure center in the Northern Hemisphere is（）.

（）is where the crew eat their meals.

（）is halfway between the forward and after perpendiculars and is reference point for vessel construction.

Where would you find information about the time of high tide at a specific location on a particular day of the year?（）

The helm command PORT TWENTY means（）.