A.wind Speed
B.Air Force
C.wind Velocity
D.Beaufort Force
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A.check it with a barometer on another vessel
B.take readings from several barometers and average them
C.check it with the barometer at the ship chandlery
D.check it against radio or National Weather Service reports of the immediate vicinity
A.a certain area
B.all ocean areas
C.some areas
D.important areas
A.Upwind
B.Downwind
C.Crosswind
D.Downcurrent
A.meets with
B.has met with
C.met with
D.meeted with
A.moved
B.labored
C.drove
D.went
最新試題
The winds you would expect to encounter in the North Atlantic between latitudes 5° and 30° are known as the（）.
When observing a rapid rise in barometric pressure，you may expect（）.
When force of winds reaches 10-11 in Beaufort scale，we usually call such wind（）.
When a high pressure system is centered north of your vessel in the Northern Hemisphere（）.
Gale warnings are usually issued when winds of（）8-9 are expected．
Weather forecast messages are usually（）.
In Beaufort Scale，the wind force 7 with speed of 28-33 knots is defined as（）.
The eye of a hurricane is surrounded by dense black cumulonimbus clouds which are called the（）.
While on watch，you notice that the air temperature is dropping and is approaching the dew point.Which type of weather should be forecasted（）.
When steering on autopilot which of the following input conditions may NOT have an effect on the control of the steering gear（）.