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

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

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（）.

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

Full details of all lights and fog signals are shown on（）.

According to the relevant regulation, lifeboat should be powered by（）.

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

Berthing means bringing a vessel to her berth until（）.

（）is where the crew eat their meals.

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