When the wave period and the apparent rolling period are the same（）.

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

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

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

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

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

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

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

What is a CORRECT reply to a pilot’s request, How’s your heading?（）

Which wind results from a land mass cooling more quickly at night than an adjacent water area?（）