A.relative humidity
B.air temperature
C.barometric pressure
D.absolute humidity
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A.ISM
B.SOLAS
C.DOC
D.SMS
A.always higher than the air temperature
B.always lower than the air temperature
C.equal to the difference between the wet and dry bulb temperatures
D.the temperature at which the air is saturated with water vapor
A.Tide Tables
B.Tidal Current Tables
C.Coast Pilot
D.Nautical Almanac
A.kept
B.removed
C.replaced
D.recycled
A.coastal breeze
B.sea breeze
C.land breeze
D.mistral
最新試題
ECDIS must be able to perform all of the following EXCEPT（）.
Which of the following is not a form of precipitation?（）
The dew point temperature is（）.
Shipboard Emergency Drills must be carried out at least（）on board cargo ship.
The company should establish and maintain procedures to control all documents and date which are relevant to（）.
Which of the following shall not the officers in charge of the navigational watch do?（）
The ISM code is part of（）.
The helm command PORT TWENTY means（）.
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（）.
Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.