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

题目

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

相似考题

1.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

2.SWEEP INT on radar panel is the abbreviation of ________ ．A.sweep introductionB.sweep interestC.sweep intentionD.sweep intensity

3.My radar is not working．I require shorebased radar assistance．Is shorebased radar assistance ________ ？A.usedB.availableC.in useD.can be used

4.APN是什么的缩写?()A.Alcatel Point NameB.Abbreviation of Point NameC.Access Point NameD.Access Packet Net

更多“In radar plotting CPA is the abbreviation of ________ .A.closest point to approachB.close ”相关问题

  • 第1题：

    A line of position derived by radar range from an identified point on a coast will be a(n) ______.

    A.straight line

    B.arc

    C.parabola

    D.line parallel to the coast


    正确答案：B

  • 第2题：

    The abbreviation L.W.R.P. on the navigation maps means ______.

    A.low water reference plane

    B.low winter runoff point

    C.least water river plane

    D.land wall reference point


    正确答案：A

  • 第3题：

    Although manual plotting for CPA works well，the workload can become overwhelming when confronted with ______．

    A.one target

    B.two targets

    C.three targets

    D.a large number of targets


    正确答案：D

  • 第4题：

    APN是什么的缩写？（）

    • A、Alcatel Point Name
    • B、Abbreviation of Point Name
    • C、Access Point Name
    • D、Access Packet Net

    正确答案:C

  • 第5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 line

    B

    arc

    C

    parabola

    D

    line parallel to the coast


    正确答案： D
    解析： 暂无解析

  • 第6题：

    单选题
    In radar plotting C.P.A.is the abbreviation of（）.
    A

    closest point to approach

    B

    close point to approach

    C

    crossing point to approch

    D

    coming point to approach


    正确答案： A
    解析： 暂无解析

  • 第7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 use

    B

    The radar equipment is only required to be used in restricted visibility

    C

    The use of a radar excuses a vessel from the need of a look-out

    D

    This equipment must be used to obtain early warning of risk of collision


    正确答案： A
    解析： 暂无解析

  • 第8题：

    单选题
    Which general statement concerning radar is FALSE?（）.
    A

    Raising the antenna height increases the radar range

    B

    The ability of radar to detect objects is unaffected by weather conditions

    C

    Radar bearings are less accurate than radar ranges

    D

    Radar should be checked regularly during clear weather to ensure that it is operating properly


    正确答案： C
    解析： 暂无解析

  • 第9题：

    单选题
    SWEEP INT on radar panel is the abbreviation of（）.
    A

    sweep introduction

    B

    sweep interest

    C

    sweep intention

    D

    sweep intensity


    正确答案： B
    解析： 暂无解析

  • 第10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 operating

    B

    All radars have indicator lights and alarms to signal improper operation

    C

    A radar range compared to the actual range of a known object can be used to check the operation of the radar

    D

    The radar resolution detector must be energized to check the radar


    正确答案： A
    解析： 暂无解析

  • 第11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 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


    正确答案： C
    解析： 暂无解析

  • 第12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 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


    正确答案： C
    解析： 暂无解析

  • 第13题：

    The description Racon beside an illustration on a chart would mean a ______.

    A.radar conspicuous beacon

    B.circular radiobeacon

    C.radar transponder beacon

    D.radar calibration beacon


    正确答案：C

  • 第14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 coast

    B.The bottom in the area is sand and gravel

    C.The fix is indeterminate

    D.You are governed by the Inland Rules


    正确答案：C

  • 第15题：

    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


    正确答案：D
    在雷达标绘中，C、P.A、是最近会遇距离的缩写。

  • 第16题：

    单选题
    Although manual plotting for CPA works well，the workload can become overwhelming when confronted with（）.
    A

    one target

    B

    two targets

    C

    three targets

    D

    a large number of targets


    正确答案： D
    解析： 暂无解析

  • 第17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 signals

    B

    A SART will normally respond to interrogation from a searching vessel's radar if the radar antenna is at least 15 meters high

    C

    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 miles

    D

    All of the above


    正确答案： D
    解析： 暂无解析

  • 第18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 water

    B

    distance to the next port

    C

    time of the next navigational satellite pass

    D

    None of the above


    正确答案： B
    解析： 暂无解析

  • 第19题：

    单选题
    My radar is not working.I require shore based radar assistance.Is shore based radar assistance（）?
    A

    used

    B

    available

    C

    in use

    D

    can be used


    正确答案： C
    解析： 暂无解析

  • 第20题：

    单选题
    The abbreviation L.W.R.P. on the navigation maps means（）.
    A

    low water reference plane

    B

    low winter runoff point

    C

    least water river plane

    D

    land wall reference point


    正确答案： A
    解析： 暂无解析

  • 第21题：

    单选题
    The shoreline along Rocky Point should give a good radar return because（）.
    A

    the shore is bluff and rocky

    B

    of offshore exposed rocks

    C

    submerged reefs cause prominent breakers

    D

    the lookout tower is marked with radar reflectors


    正确答案： A
    解析： 暂无解析

  • 第22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 coast

    B

    The bottom in the area is sand and gravel

    C

    The fix is indeterminate

    D

    You are governed by the Inland Rules


    正确答案： C
    解析： 暂无解析

  • 第23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 collision

    B

    The use of a radar excuses a vessel from the need of a look-out

    C

    The radar equipment is only required to be used in restricted visibility

    D

    The safe speed of such a vessel will likely be greater than that of vessels without radar


    正确答案： D
    解析： 暂无解析

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