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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
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更多 “ A line of position from a celestial observation is a segment of a ______.A.circle of equal altitudeB.parallel of declinationC.parallel of altitudeD.vertical circle ” 相关考题
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单选题A “figure eight” knot is used to（）.A
be a stopperB
shorten a lineC
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keep a line from passing through a sheave
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joining two lines of equal sizeC
keeping line from unlaying or frayingD
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单选题A line of position from a celestial observation is a segment of a （）.A
circle of equal altitudeB
parallel of declinationC
parallel of altitudeD
vertical circle
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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
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Course-planningB
Position-fixingC
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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 signB
A line of blip code on a radar screen outward from the SART's position along its line of bearingC
A line of blip code on a radar screen inward from the SART's position to its own ship along its line of bearingD
None of these
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单选题A star is observed at lower transit. The line of position derived from this sight is（）.A
on the prime verticalB
a latitude lineC
a longitude lineD
of no special significance
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单选题A line of position formed by sighting two charted objects in line is called a(n)（）.A
relative bearingB
range lineC
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单选题A line of position derived from a loran reading is a section of a(n) （）.A
straight lineB
arcC
parabolaD
hyperbola
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a line connecting two charted objectsB
a line on some point of which the vessel may be presumed to be locatedC
the position of your vesselD
not used in a running fix
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单选题The equator is（）.A
the primary great circle of the Earth perpendicular to the axisB
the line to which all celestial observations are reducedC
the line from which a celestial body's altitude is measuredD
All of the above
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单选题A latitude line will be obtained by observing a body （）.A
on the prime verticalB
on the celestial horizonC
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on the Greenwich meridian
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单选题A single line of position combined with a dead-reckoning position results in a(n)（）.A
running fixB
fixC
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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 bearingB
changing the position of the main engine installationC
adjusting the center line of the propellerD
changing the position of the thrust block
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单选题Concerning a celestial observation，the azimuth angle is measured from the principal vertical circle to the（）.A
Greenwich celestial meridianB
hour circle of the bodyC
local celestial meridianD
vertical circle of the body
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单选题A time diagram is a diagram of the celestial sphere as observed from above the（）.A
south celestial poleB
north celestial poleC
observer's meridianD
Greenwich meridian
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