单项选择题
When hitting a solid object such as a ship or an airplane，the radar waves are reflected back （）they came.
A.in the way
B.the way
C.by the way
D.through the path
相关考题
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单项选择题
What will cause the ARPA to emit a visual alarm，audible alarm，or both?（）
A.An acquired target entering into a guard zone
B.A tracked target lost for one radar scan
C.A tracked target entering your preset CPA-TCPA limits
D.A target being initially detected within a guard zone -
单项选择题
What provides little or no indication that a vessel is dragging anchor? （）
A.Increasing radar range to a fixed object ahead
B.Drift lead with the line leading perpendicular to the centerline
C.Vibrations felt by placing a hand on the cable
D.Changing bearings to distant fixed objects abeam -
单项选择题
What is TRUE when operating in fog and other vessels are detected by radar?（）.
A.You should make an ample change to port for a vessel crossing on the starboard bow
B.You should maneuver in ample time if a close-quarters situation is developing
C.You should determine the course and speed of all radar contacts at six minute intervals
D.Long-range scanning will provide early warning of ALL other vessels within the radar's range
