In the Northern hemisphere northerly winds may cause temperature（）.

Which of the following is not an operation mode of AIS?（）

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

（）is where the crew eat their meals.

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

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

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

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?（）

（）is on the panel of radar.