單項(xiàng)選擇題

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

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單項(xiàng)選擇題

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

單項(xiàng)選擇題

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

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What will cause the ARPA to emit a visual alarm，audible alarm，or both?（）

你可能感興趣的試題

What provides little or no indication that a vessel is dragging anchor? （）

What is TRUE when operating in fog and other vessels are detected by radar?（）.

What will cause the ARPA to emit a visual alarm，audible alarm，or both?（）