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
In radar plotting C.P.A is the abbreviation of ______.
A.crossing point to approach
B.fog or steady rain
C.closest point to approach
D.close point to approach
相关考题：
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
APN是什么的缩写?() A.Alcatel Point NameB.Abbreviation of Point NameC.Access Point NameD.Access Packet Net
SWEEP INT on radar panel is the abbreviation of ________ ．A.sweep introductionB.sweep interestC.sweep intentionD.sweep intensity
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
My radar is not working．I require shorebased radar assistance．Is shorebased radar assistance ________ ？A.usedB.availableC.in useD.can be used
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
The description Racon beside an illustration on a chart would mean a ______.A.radar conspicuous beaconB.circular radiobeaconC.radar transponder beaconD.radar calibration beacon
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
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
Every vessel which is directed by these Rules to keep out of the way of another vessel shall, if the circumstances of the case admit, avoid ______.A.crossing ahead of the otherB.crossing astern of the otherC.passing port to portD.passing starboard to starboard
The documents you should provide are contract, L/C , invoice and B/L, L/C is the abbreviation for ( )，B/L is the abbreviation for ( ).A. Letter of Credit，Packing List B. Leaking of Containers，Bill of LadingC. Letter of Credit, Bill of Lading D. Leaking of Containers, Packing List
APN是什么的缩写？（）A、Alcatel Point NameB、Abbreviation of Point NameC、Access Point NameD、Access Packet Net
单选题A line of position derived by radar range from an identified point on a coast will be a(n) （）.Astraight lineBarcCparabolaDline parallel to the coast
单选题Which conditions will normally cause a SART to operate in the active mode?（）AIt will respond only to interrogation by 9-Ghz radar signalsBA SART will normally respond to interrogation from a searching vessel's radar if the radar antenna is at least 15 meters highCA 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 milesDAll of the above
单选题In radar plotting C.P.A.is the abbreviation of（）.Aclosest point to approachBclose point to approachCcrossing point to approchDcoming point to approach
单选题Vessel required to have an Automatic Radar Plotting Aid must have a device to indicate the（）.Aspeed of the vessel over the ground or through the waterBdistance to the next portCtime of the next navigational satellite passDNone of the above
单选题Which statement is true concerning a vessel equipped with operational radar?（）.AThe Master of the vessel must be on the bridge when the radar is in useBThe radar equipment is only required to be used in restricted visibilityCThe use of a radar excuses a vessel from the need of a look-outDThis equipment must be used to obtain early warning of risk of collision
单选题My radar is not working.I require shore based radar assistance.Is shore based radar assistance（）?AusedBavailableCin useDcan be used
单选题Which general statement concerning radar is FALSE?（）.ARaising the antenna height increases the radar rangeBThe ability of radar to detect objects is unaffected by weather conditionsCRadar bearings are less accurate than radar rangesDRadar should be checked regularly during clear weather to ensure that it is operating properly
单选题The abbreviation L.W.R.P. on the navigation maps means（）.Alow water reference planeBlow winter runoff pointCleast water river planeDland wall reference point
单选题SWEEP INT on radar panel is the abbreviation of（）.Asweep introductionBsweep interestCsweep intentionDsweep intensity
单选题The shoreline along Rocky Point should give a good radar return because（）.Athe shore is bluff and rockyBof offshore exposed rocksCsubmerged reefs cause prominent breakersDthe lookout tower is marked with radar reflectors
单选题If there is any doubt as to the proper operation of a radar，which statement is TRUE?（）.AOnly a radar expert can determine if the radar is operatingBAll radars have indicator lights and alarms to signal improper operationCA radar range compared to the actual range of a known object can be used to check the operation of the radarDThe radar resolution detector must be energized to check the radar
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? （）AYou are within 3 nautical miles of the coastBThe bottom in the area is sand and gravelCThe fix is indeterminateDYou are governed by the Inland Rules
单选题The closest point of approach (CPA) of a contact on a relative motion radar may be determined（）.Aimmediately when the contact is noted on radarBonly if the radar scope is watched constantlyCafter the contact has been marked at least twiceDby an occasional glance at the radar
单选题Which statement is TRUE concerning a vessel equipped with operational radar?（）.AShe must use this equipment to obtain early warning of risk of collisionBThe use of a radar excuses a vessel from the need of a look-outCThe radar equipment is only required to be used in restricted visibilityDThe safe speed of such a vessel will likely be greater than that of vessels without radar
单选题What’s the abbreviation for the World Meteorological Organization?（）AWMOBIHOCIMODWARC