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

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

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

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

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

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（）.

The helm command PORT TWENTY means（）.

The ISM code is part of（）.

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

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