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

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

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

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

What is it called when it is possible to ignite the vapour above the oil?（）

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

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

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

The helm command PORT TWENTY means（）.

Which of the following is not an operation mode of AIS?（）