A tide is called diurnal when（）.

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

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

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

（）is on the panel of radar.

Manoeuvring information can not be obtained from（）.

（）is where the crew eat their meals.

The ISM code is part of（）.

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

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