A、Echoes from a buoy
B、Own ship's marker
C、Echo from a ship on the same course at the same speed
D、Echo from a ship on a reciprocal course at the same speed
更多“Your radar is set on a true motion display.Which of the following will NOT appear to move across the PPI scope（）.”相关的问题
A、A.on the same course as your vessel B、B.at the same speed as your vessel C、C.on the same course and speed as your vessel D、D.on a reciprocal course at the same speed as your vessel
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、increase the brilliance of the PPI scope B、turn off the interference controls on the radar C、use the maximum available range setting D、increase the radar signal output
A、Your speed must be reduced to bare steerage ways B、A look-out is not required if the radar is on C、The radar should always be kept on a short-range scale D、Fog signals are only required when a vessel is detected by radar
A、Radar ranges are less accurate in fog B、Navigation buoys will always show up on radar C、A sandy beach will show up clearer on radar than a rocky cliff D、Small wooden boats may not show up on radar
A、immediately when the contact is noted on radar B、only if the radar scope is watched constantly C、after the contact has been marked at least twice D、by an occasional glance at the radar
A、Event Trace Data Collector Set B、Performance Counter Data Collector Set C、Performance Counter Alert Data Collector Set D、System Configuration Information Data Collector Set
A、current setting your vessel on the wall B、current setting into the lock chamber C、an eddy working along the lower guide wall D、current setting counterclockwise
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