A.one target
B.two targets
C.three targets
D.a large number of targets
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A.EBL
B.VRM
C.CRT
D.target tracking range
A.EBL
B.VRM
C.CRT
D.Grease pencil
A.To receive the high-frequency pulses from the transmitter
B.To focus the pulses into a beam，and send them into space
C.To pick up reflected pulses coming from objects that have been struck by the beam
D.To reflect microwaves
A.Relative
B.TRUE
C.Compass
D.Magnetic
A.Your speed must be reduced to bare steerageway
B.A look-out is not required if the radar is on
C.Fog signals are only required when a vessel is detected by radar
D.The radar should always be kept on a short-range scale
最新試題
（）typically extends from close as 0.1 nautical miles out to 32 NM.
When using the radar for navigating（）.
Radar reflectors are required for（）.
Which ARPA data should you use in order to determine if a close quarters situation will develop with a target vessel? （）
The（）has a built-in world map; most areas are displayed on a scale of 4000 nm from the top to the bottom of the screen，and can be zoomed in to 150 nm.
When using a radar in a unstabilized mode，fixes are determined most easily from（）.
What will cause the ARPA to emit a visual alarm，audible alarm，or both?（）
（）is not used in modern radar.
You are scanning the radar screen for a buoy fitted with racon. How should this signal appear on the PPI display?（）
Although manual plotting for CPA works well，the workload can become overwhelming when confronted with（）.