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

（）is where the crew eat their meals.

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

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

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

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

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

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

Which of the following shall not the officers in charge of the navigational watch do?（）

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