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（）.

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

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

Fog is likely to occur when there is little difference between the dew point and the（）.

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

Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.

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

Shipboard Emergency Drills must be carried out at least（）on board cargo ship.

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

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