ARPA || Error-free Answers 100%.
According to IMO Standards, ARPA's with automatic acquisition must be capable of
continuously tracking a minimum number of _______ contacts. correct answers 20
Vessels required to have an Automatic Radar Plotting Aid must have a device to indicate the
_______ . correct answers Speed of the vessel over the ground or through the water.
According to IMO Standards for ARPA, the primary purpose of ARPA is to _______ . correct
answers Reduce the work load of the observers and to provide continuous accurate situation
evaluation.
Coral atolls, or a chain of islands at right angles to the radar beam, may show as a long line
rather than as individuals targets due to _______ . correct answers The effects of beam width.
What will cause the ARPA to emit a visual alarm, audible alarm, or both? correct answers A
tracked target entering your preset CPA-TCPA limits.
According to IMO Standards for ARPA, target acquisition-- correct answers Mya be either
automatic or manual.
According to IMO Standards for ARPA, target acquisition-- correct answers May be either
automatic or manual.
Your ARPA has been tracking a target and has generated the target's course and speed. The radar
did not receive a target echo its last two scans due to the weather. What should you expect under
these circumstances? correct answers The ARPA will generate data as if the target was still being
tracked by radar.
Target "swap" is likely to occur when-- correct answers The target passes close aboard to a buoy.
, Which ARPA data should you use in order to determine if a close quarters situation will develop
with a target? correct answers Relative track information
Your ARPA has automatic speed inputs from the log. Due to currents, the log is indicating a
faster speed than the speed over the ground. What should you expect under these circumstances?
correct answers The target's true course vector will be in error.
A vessel equipped with ARPA is-- correct answers Gains no privileges under the Rules of the
Road.
Which general statement concerning ARPA is false? correct answers The ability of radar to detect
objects is unaffected by weather conditions.
Your ARPA has two guard zones. What is the purpose of the inner guard zone? correct answers
Warn of small targets that are initially detected closer than the outer guard zone.
ARPA is designed for use ________ . correct answers At all times regardless of weather
conditions.
When using the radar for navigating, which statement is most accurate? correct answers The best
fix is using ranges; the most rapidly changing range should be measured last.
When fixing a vessel's position by radar, a navigator _______ . correct answers Can use radar
range and bearing information from one object to fix the position.
Which statement concerning the operation of radar in fog is true? correct answers Small wooden
boats may not show up on radar.
In order to insure that the Racon signal is visible on your 3 cm radar; the-- correct answers Rain
clutter control should be off but, if necessary, may be on low.
According to IMO Standards, ARPA's with automatic acquisition must be capable of
continuously tracking a minimum number of _______ contacts. correct answers 20
Vessels required to have an Automatic Radar Plotting Aid must have a device to indicate the
_______ . correct answers Speed of the vessel over the ground or through the water.
According to IMO Standards for ARPA, the primary purpose of ARPA is to _______ . correct
answers Reduce the work load of the observers and to provide continuous accurate situation
evaluation.
Coral atolls, or a chain of islands at right angles to the radar beam, may show as a long line
rather than as individuals targets due to _______ . correct answers The effects of beam width.
What will cause the ARPA to emit a visual alarm, audible alarm, or both? correct answers A
tracked target entering your preset CPA-TCPA limits.
According to IMO Standards for ARPA, target acquisition-- correct answers Mya be either
automatic or manual.
According to IMO Standards for ARPA, target acquisition-- correct answers May be either
automatic or manual.
Your ARPA has been tracking a target and has generated the target's course and speed. The radar
did not receive a target echo its last two scans due to the weather. What should you expect under
these circumstances? correct answers The ARPA will generate data as if the target was still being
tracked by radar.
Target "swap" is likely to occur when-- correct answers The target passes close aboard to a buoy.
, Which ARPA data should you use in order to determine if a close quarters situation will develop
with a target? correct answers Relative track information
Your ARPA has automatic speed inputs from the log. Due to currents, the log is indicating a
faster speed than the speed over the ground. What should you expect under these circumstances?
correct answers The target's true course vector will be in error.
A vessel equipped with ARPA is-- correct answers Gains no privileges under the Rules of the
Road.
Which general statement concerning ARPA is false? correct answers The ability of radar to detect
objects is unaffected by weather conditions.
Your ARPA has two guard zones. What is the purpose of the inner guard zone? correct answers
Warn of small targets that are initially detected closer than the outer guard zone.
ARPA is designed for use ________ . correct answers At all times regardless of weather
conditions.
When using the radar for navigating, which statement is most accurate? correct answers The best
fix is using ranges; the most rapidly changing range should be measured last.
When fixing a vessel's position by radar, a navigator _______ . correct answers Can use radar
range and bearing information from one object to fix the position.
Which statement concerning the operation of radar in fog is true? correct answers Small wooden
boats may not show up on radar.
In order to insure that the Racon signal is visible on your 3 cm radar; the-- correct answers Rain
clutter control should be off but, if necessary, may be on low.
