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In radar plotting CPA is the abbreviation of ________ ．
A.closest point to approach
B.close point to approach
C.crossing point to approach
D.coming point to approach
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更多 “ In radar plotting CPA is the abbreviation of ________ ．A.closest point to approachB.close point to approachC.crossing point to approachD.coming point to approach ” 相关考题
考题
The closest point of approach ( CPA ) of a contact on a relative motion radar may be determined ______.A.immediately when the contact is noted on radarB.only if the radar scope is watched constantlyC.after the contact has been marked at least twiceD.by an occasional glance at the radar
考题
APN是什么的缩写?()
A.Alcatel Point NameB.Abbreviation of Point NameC.Access Point NameD.Access Packet Net
考题
SWEEP INT on radar panel is the abbreviation of ________ ．A.sweep introductionB.sweep interestC.sweep intentionD.sweep intensity
考题
My radar is not working．I require shorebased radar assistance．Is shorebased radar assistance ________ ？A.usedB.availableC.in useD.can be used
考题
A line of position derived by radar range from an identified point on a coast will be a(n) ______.A.straight lineB.arcC.parabolaD.line parallel to the coast
考题
The description Racon beside an illustration on a chart would mean a ______.A.radar conspicuous beaconB.circular radiobeaconC.radar transponder beaconD.radar calibration beacon
考题
The abbreviation L.W.R.P. on the navigation maps means ______.A.low water reference planeB.low winter runoff pointC.least water river planeD.land wall reference point
考题
At 0900，you take the following radar ranges: Watch Hill Point 5.4 miles; Block Island Grace Point 8.3 miles. Which statement is TRUE?A.You are within 3 nautical miles of the coastB.The bottom in the area is sand and gravelC.The fix is indeterminateD.You are governed by the Inland Rules
考题
Although manual plotting for CPA works well，the workload can become overwhelming when confronted with ______．A.one targetB.two targetsC.three targetsD.a large number of targets
考题
In radar plotting C.P.A is the abbreviation of ______.A.crossing point to approachB.fog or steady rainC.closest point to approachD.close point to approach
考题
APN是什么的缩写？（）A、Alcatel Point NameB、Abbreviation of Point NameC、Access Point NameD、Access Packet Net
考题
单选题Although manual plotting for CPA works well，the workload can become overwhelming when confronted with（）.A
one targetB
two targetsC
three targetsD
a large number of targets
考题
单选题A line of position derived by radar range from an identified point on a coast will be a(n) （）.A
straight lineB
arcC
parabolaD
line parallel to the coast
考题
单选题Which conditions will normally cause a SART to operate in the active mode?（）A
It will respond only to interrogation by 9-Ghz radar signalsB
A SART will normally respond to interrogation from a searching vessel's radar if the radar antenna is at least 15 meters highC
A SART will normally respond to interrogation from a searching aircraft's radar if the radar's output power is at least 10，000 watts and the aircraft is at a height of 3000 feet and within 30 nautical milesD
All of the above
考题
单选题In radar plotting C.P.A.is the abbreviation of（）.A
closest point to approachB
close point to approachC
crossing point to approchD
coming point to approach
考题
单选题Vessel required to have an Automatic Radar Plotting Aid must have a device to indicate the（）.A
speed of the vessel over the ground or through the waterB
distance to the next portC
time of the next navigational satellite passD
None of the above
考题
单选题Which statement is true concerning a vessel equipped with operational radar?（）.A
The Master of the vessel must be on the bridge when the radar is in useB
The radar equipment is only required to be used in restricted visibilityC
The use of a radar excuses a vessel from the need of a look-outD
This equipment must be used to obtain early warning of risk of collision
考题
单选题My radar is not working.I require shore based radar assistance.Is shore based radar assistance（）?A
usedB
availableC
in useD
can be used
考题
单选题Which general statement concerning radar is FALSE?（）.A
Raising the antenna height increases the radar rangeB
The ability of radar to detect objects is unaffected by weather conditionsC
Radar bearings are less accurate than radar rangesD
Radar should be checked regularly during clear weather to ensure that it is operating properly
考题
单选题The abbreviation L.W.R.P. on the navigation maps means（）.A
low water reference planeB
low winter runoff pointC
least water river planeD
land wall reference point
考题
单选题SWEEP INT on radar panel is the abbreviation of（）.A
sweep introductionB
sweep interestC
sweep intentionD
sweep intensity
考题
单选题The shoreline along Rocky Point should give a good radar return because（）.A
the shore is bluff and rockyB
of offshore exposed rocksC
submerged reefs cause prominent breakersD
the lookout tower is marked with radar reflectors
考题
单选题If there is any doubt as to the proper operation of a radar，which statement is TRUE?（）.A
Only a radar expert can determine if the radar is operatingB
All radars have indicator lights and alarms to signal improper operationC
A radar range compared to the actual range of a known object can be used to check the operation of the radarD
The radar resolution detector must be energized to check the radar
考题
单选题At 0900，you take the following radar ranges: Watch Hill Point 5.4 miles; Block Island Grace Point 8.3 miles. Which statement is TRUE? （）A
You are within 3 nautical miles of the coastB
The bottom in the area is sand and gravelC
The fix is indeterminateD
You are governed by the Inland Rules
考题
单选题The closest point of approach (CPA) of a contact on a relative motion radar may be determined（）.A
immediately when the contact is noted on radarB
only if the radar scope is watched constantlyC
after the contact has been marked at least twiceD
by an occasional glance at the radar
考题
单选题Which statement is TRUE concerning a vessel equipped with operational radar?（）.A
She must use this equipment to obtain early warning of risk of collisionB
The use of a radar excuses a vessel from the need of a look-outC
The radar equipment is only required to be used in restricted visibilityD
The safe speed of such a vessel will likely be greater than that of vessels without radar
考题
单选题What will cause the ARPA to emit a visual alarm，audible alarm，or both?（）A
An acquired target entering into a guard zoneB
A tracked target lost for one radar scanC
A tracked target entering your preset CPA-TCPA limitsD
A target being initially detected within a guard zone
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