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

ECDIS must be able to perform all of the following EXCEPT（）.

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

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

（）is halfway between the forward and after perpendiculars and is reference point for vessel construction.

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

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（）.

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

（）is where the crew eat their meals.

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