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.
Your ARPA has automatic speed inputs from the log．Due to currents，the log is indicating a faster speed than the speed over the ground.What should you expect under these circumstances（）.
Radar reflectors are required for（）.
When using an ARPA，what should you consider in order to evaluate the information displayed?（）
When hitting a solid object such as a ship or an airplane，the radar waves are reflected back （）they came.
When will the float-free emergency position indicating radiobeacon be activated after abandoning ship? （）
Which general statement concerning radar is FALSE?（）.
When using the ARPA in heavy rain，which action should you take? （）
Although manual plotting for CPA works well，the workload can become overwhelming when confronted with（）.
You are underway in thick fog. You have not determined if risk of collision exists. Which statement is TRUE?（）.