Civil Engineering :: Advanced Surveying
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If two points differing by 1° of latitude and of the same longitude is 110 km apart on the earth, then two astronomical positions on the moon is about
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The distance between the projection centre and the photograph, is called
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The zenith is the point on the celestial sphere
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Equation of time which is the difference between apparent solar time and mean solar time at any instant, vanishes during one year
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To have greatest coverage of the area, the type of photography used, is
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The sidereal day is the time interval between two successive upper transits of
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Pick up the correct statement from the following :
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Pick up the in-correct statement from the following :
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The declination and right ascension of the sun becomes 23° 27' N and 90° respectively on
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If δ is the declination of the Polaris and λ is the latitude of the place, the azimuth of the polaris, is
A.
Apparent solar time is measured from the lower transit of the true sun
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B.
Mean solar time is measured from the lower transit of the mean sun
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C.
Sidereal time is measured from the lower transit of the first point of Aries
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D.
Sidereal time is measured from the upper transit of the first point of Aries.
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