A.EBL
B.VRM
C.CRT
D.Grease pencil
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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
A.stop your engines
B.sound two prolonged blasts of the whistle
C.sound the danger signal
D.slow to bare steerageway
A.Dead in the water
B.1 knot
C.10 knots
D.15 knots
最新試題
When you turn on the fast time constant (differentiator) control of a radar it will（）.
Your radar is set on a true motion display.Which of the following will NOT appear to move across the PPI scope（）.
Which ARPA data should you use in order to determine if a close quarters situation will develop with a target vessel? （）
You are underway in thick fog. You have not determined if risk of collision exists. Which statement is TRUE?（）.
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.
Although manual plotting for CPA works well，the workload can become overwhelming when confronted with（）.
You are underway in restricted visibility and hear a fog signal forward of the beam. Nothing appears on your radar screen. You must（）.
PPI is（）.
Which statement is TRUE concerning a vessel equipped with operational radar?（）.
When will the float-free emergency position indicating radiobeacon be activated after abandoning ship? （）