A.varies depending upon the bearing used
B.is the angular difference between magnetic north and compass north
C.is published on the compass rose on most nautical charts
D.is the angular difference between geographic and magnetic meridians
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A.RINGS INT
B.SWEEP INT
C.REPEATER
D.GONIOMETER
A.ZERO CLEARING
B.ANTI-CLUTTER-RAIN
C.DIMMER
D.CURSOR
A.bearing circle
B.pelorus
C.bearing bar
D.alidade
A.spider element
B.sensitive element
C.link arm
D.pickup transformer
A.high or low
B.AC or DC
C.strong or weak
D.on or off
最新試題
The time interval between the transmission of signals from a pair of Loran-C stations is very closely controlled and operates with（）.
Which one of the followings does not limit the effective range of radar（）.
When your vessel is proceeding to the area of traffic density，（）is used to determine the exact ranges of other ships or objects in the vicinity.
Would you mind（）your DF?
To obtain accuracy in fixing by DF，（）and three stations should be used.
Which statement concerning GPS is TRUE（）.
The information received by AIS will be displayed on（）.
The heading of a vessel is indicated by what part of the compass? （）
（）is not an alarm required by IMO standards to be available on the ECDIS.
In using Loran-C，skywave reception gives greater range but is（）.