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（）.

It is dangerous for vessels without the operational radar（）the estuary.

Bales close to the deckhead should be covered to prevent（）.

（）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?（）

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

The company should establish and maintain procedures to control all documents and date which are relevant to（）.

How long are you prohibited to consume alcohol prior to serving as a member of a watch?（）

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

The helm command PORT TWENTY means（）.