A.bearing circle
B.pelorus
C.bearing bar
D.alidade
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A.RINGS INT
B.SWEEP INT
C.REPEATER
D.GONIOMETER
A.in high latitudes
B.near the equator
C.on north or south headings
D.on intercardinal headings
A.remains aligned with compass north
B.also turns to starboard
C.first turns to starboard then counterclockwise to port
D.turns counterclockwise to port
A.true bearing of the transmitter
B.relative bearing of the transmitter
C.heading of the vessel
D.time of reception
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
最新試題
Which one of the followings does not limit the effective range of radar（）.
The correction to be applied to a Loran-C reading when matching a sky wave to a ground wave may be found（）.
While you are at anchor，what will serve as a positive warning that you are drifting towards the wrecks located to the NW and SW of your 2215 position（）.
（）is not an alarm required by IMO standards to be available on the ECDIS.
Which of the following statements is TRUE regarding crane operations（）.
If the radio signal ground wave extends out for less distance than the minimum skywave distance，there is an area in which no signal is received．This is called the（）.
What does not contribute to the commercial GPS receiver position error（）.
Loran-C is which type of system（）.
Most modern Loran-C receivers，when not tracking properly，have a（n）（）.
With respect to automatic identification systems（AIS），which information is expected to be broadcast every 1 to 10 seconds（）.