Shipboard Emergency Drills must be carried out at least（）on board cargo ship.

When the wave period and the apparent rolling period are the same（）.

（）is on the panel of radar.

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

（）is the act of allocating space to containers on board of a container ship in the order of the discharge ports.

Which of the following is not a form of precipitation?（）

Your vessel is docking, but not yet alongside. Which line will be the most useful when maneuvering the vessel alongside the pier?（）.

Which wind results from a land mass cooling more quickly at night than an adjacent water area?（）

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

Before any loading takes place any signs of the previous cargo should do（）.