A.station the look-out in the wheelhouse to keep a continuous watch on the radar
B.secure the sounding of fog signals until a vessel closes within five miles
C.station a look-out as low down and far forward as possible
D.keep the radar on the shortest available range for early detection of approaching vessels
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A.in the way
B.the way
C.by the way
D.through the path
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
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
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
A.It provides a graphic display to emphasize which vessel is on a collision course
B.In the true presentation，it provides a quick visual check to determine if a vessel has changed course
C.The display is one of the primary inputs and must be in use when using the trial maneuver capability
D.It provides a graphic display of a target vessel's relative course，speed，and CPA
最新試題
When using an ARPA，what should you consider in order to evaluate the information displayed?（）
Which procedure(s) shall be used to determine risk of collision? （）
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.
What will cause the ARPA to emit a visual alarm，audible alarm，or both?（）
When will the float-free emergency position indicating radiobeacon be activated after abandoning ship? （）
（）is not a job of the radar antenna.
Which statement concerning the operation of radar in fog is TRUE?（）
PPI is（）.
When using the ARPA in heavy rain，which action should you take? （）
Your ARPA has been tracking a target and has generated the targets course and speed.The radar did not receive a target echo on its last two scans due to the weather.What should you expect under these circumstances（）.