A line of position derived from a loran reading is a section of a(n) ______.A.straight lineB.arcC.parabolaD.hyperbola

题目

A line of position derived from a loran reading is a section of a(n) ______.

A.straight line

B.arc

C.parabola

D.hyperbola

相似考题

1.A () road goes () from our college to the center.A.straight…straightB.straightly…straightlyC.straight…straightlyD.straightly…straight

2.The correction to be applied to a LoranC reading when matching a sky wave to a ground wave may be found______．A.on loran charts covering areas where sky waves are usedB.in the Radio Aids to Navigation PUB 117C.in the LoranC Correction TablesD.Sky waves cannot be matched to ground waves in LoranC to produce a usable reading

3.有如下程序： #include<iostream> using namespace std； class Base { public： void funl{cout<<”Base＼n”；} virtual void fun2{eout<<”Base＼n”；} }； class Derived：public Base{ public： void funl{eout<<”Derived、n”；} void fura{eout<．<”Derived＼n”；} }； void f(Base&B．}b．funl；b．ftm2；} int main { Derived obj； f(obj)； return 0； } 执行这个程序的输出结果是（ ）。A.Base BaseB.Base DerivedC.Derived BaseD.Derived Derived

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更多“A line of position derived from a loran reading is a section of a(n) ______.A.straight lin ”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：

    A radar range to a small，charted object such as a light will provide a line of position in which form?

    A.Straight line

    B.Arc

    C.Parabola

    D.Hyperbola


    正确答案：B

  • 第3题：

    You are running parallel to the coast and take a running fix using bearings of the same object．If you are making less speed than used for the running fix，in relation to the position indicated by the fix，you will be ______．

    A.Closer to the coast

    B.Farther from the coast

    C.On the track line ahead of the fix

    D.On the track line behind the fix


    正确答案：A

  • 第4题：

    The line connecting the Loran-C master station with a secondary station is called the ______．

    A.Focus line

    B.Base line

    C.Side line

    D.Center line


    正确答案：B

  • 第5题：

    单选题
    At 0400 your vessel is dead in the water and in heavy fog. Your loran set fixes your position at LAT 41°12.1’N，LONG 72°43.5’W. Bottom samples are taken and indicate a composition of soft mud and shell. Your fathometer reads 40 feet. If the vessel draws 9 feet of water，which of the following is TRUE?（）
    A

    The bottom samples and fathometer reading prove the loran fix is reliable

    B

    The bottom samples and fathometer readings indicate that the loran fix is unreliable

    C

    The information collected indicates that the fathometer may be in error

    D

    The information collected indicates that the chart is most likely in error


    正确答案： A
    解析： 暂无解析

  • 第6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7题：

    单选题
    A star is observed at lower transit. The line of position derived from this sight is（）.
    A

    on the prime vertical

    B

    a latitude line

    C

    a longitude line

    D

    of no special significance


    正确答案： C
    解析： 暂无解析

  • 第8题：

    单选题
    A line of position derived from a loran reading is a section of a(n) （）.
    A

    straight line

    B

    arc

    C

    parabola

    D

    hyperbola


    正确答案： B
    解析： 暂无解析

  • 第9题：

    单选题
    You are running parallel to the coast and take a running fix using bearings of the same object.If you are making less speed than used for the running fix，in relation to the position indicated by the fix，you will be（）.
    A

    Closer to the coast

    B

    Farther from the coast

    C

    On the track line ahead of the fix

    D

    On the track line behind the fix


    正确答案： C
    解析： 暂无解析

  • 第10题：

    单选题
    A single line of position combined with a dead-reckoning position results in a(n)（）.
    A

    estimated position

    B

    assumed position

    C

    fix

    D

    running fix


    正确答案： A
    解析： 暂无解析

  • 第11题：

    单选题
    While you are at anchor，what will serve as a positive warning that you are drifting towards the wrecks located to the NW and SW of your 2215 position（）.
    A

    A decreasing reading on loran pair 9960-X

    B

    The bearing of Wolf Trap Light changing to the right

    C

    Increasing soundings

    D

    The bearing of Wolf Trap Light changing to the left


    正确答案： D
    解析： 暂无解析

  • 第12题：

    单选题
    The correction to be applied to a Loran-C reading when matching a sky wave to a ground wave may be found（）.
    A

    on loran charts covering areas where sky waves are used

    B

    in the Radio Aids to Navigation，PUB 117

    C

    in the Loran-C Correction Tables

    D

    Sky waves cannot be matched to ground waves in LORAN-C to produce a usable reading


    正确答案： B
    解析： 暂无解析

  • 第13题：

    A line of position from a celestial observation is a segment of a ______.

    A.circle of equal altitude

    B.parallel of declination

    C.parallel of altitude

    D.vertical circle


    正确答案：A

  • 第14题：

    A single line of position combined with a dead-reckoning position results in a(n) ______.

    A.estimated position

    B.assumed position

    C.fix

    D.running fix


    正确答案：A

  • 第15题：

    You are in the process of adding a barge to your tow．A line run from your power capstan and around timber heads on your tow is made fast on the new barge so that it can be pulled into position．This line is called a ______．

    A.Scissors wire

    B.Capstan line

    C.Spring line

    D.Fore and aft line


    正确答案：B

  • 第16题：

    单选题
    Vessels approaching from west will（）pilot in approximate position 015108N/1033008E.
    A

    obtain

    B

    select

    C

    request

    D

    pick up


    正确答案： C
    解析： 暂无解析

  • 第17题：

    单选题
    A line of position from a celestial observation is a segment of a （）.
    A

    circle of equal altitude

    B

    parallel of declination

    C

    parallel of altitude

    D

    vertical circle


    正确答案： C
    解析： 暂无解析

  • 第18题：

    单选题
    Which signal is detected as originating from a SART?（）
    A

    The Morse code distress series S-O-S repeated 3 times followed by DE and the vessel's call sign

    B

    A line of blip code on a radar screen outward from the SART's position along its line of bearing

    C

    A line of blip code on a radar screen inward from the SART's position to its own ship along its line of bearing

    D

    None of these


    正确答案： A
    解析： 暂无解析

  • 第19题：

    单选题
    A line of position formed by sighting two charted objects in line is called a(n)（）.
    A

    relative bearing

    B

    range line

    C

    track line

    D

    estimated position


    正确答案： B
    解析： 暂无解析

  • 第20题：

    单选题
    A line of position is（）.
    A

    a line connecting two charted objects

    B

    a line on some point of which the vessel may be presumed to be located

    C

    the position of your vessel

    D

    not used in a running fix


    正确答案： D
    解析： 暂无解析

  • 第21题：

    单选题
    A single line of position combined with a dead-reckoning position results in a(n)（）.
    A

    running fix

    B

    fix

    C

    estimated position

    D

    assumed position


    正确答案： D
    解析： 暂无解析

  • 第22题：

    单选题
    When the vessel shafting are installed, the slightly inclined of the shaft line should be rectified by（）
    A

    adjusting the position of the intermediate bearing

    B

    changing the position of the main engine installation

    C

    adjusting the center line of the propeller

    D

    changing the position of the thrust block


    正确答案： A
    解析： 暂无解析

  • 第23题：

    单选题
    The line connecting the Loran-C master station with a secondary station is called the（）.
    A

    Focus line

    B

    Base line

    C

    Side line

    D

    Center line


    正确答案： D
    解析： 暂无解析

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