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
Which statement is true concerning a vessel equipped with operational radar?（）.
Which condition indicates that your radar needs maintenance?（）
Which statement is TRUE concerning a vessel equipped with operational radar?（）.
Which ARPA data should you use in order to determine if a close quarters situation will develop with a target vessel? （）
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 you turn on the fast time constant (differentiator) control of a radar it will（）.
PPI is（）.
Although manual plotting for CPA works well，the workload can become overwhelming when confronted with（）.
The development of（）led to the fully automatic ARPA systems installed on commercial ships.