EXAMIANS
If ‘δ’ is the declination of the star and ‘φ’ is the latitude of the observer, then the azimuth of the star at elongation is given by
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The number of horizontal cross wires in a stadia diaphragm is
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The normal longitudinal overlap is generally kept
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Check lines (or proof lines) in Chain Surveying, are essentially required
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Cross staff is an instrument used for
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If altitude bubble is provided both on index frame as well as on telescope of a theodolite, then the instrument is levelled with reference toi) altitude bubble on index frameii) altitude bubble on index frame if it is to be used as a leveliii) altitude bubble on telescopeiv) altitude bubble on telescope if it is to be used as a level The correct answer is
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If ‘f’ is the focal length of the camera lens and ‘θ’ is the angle of tilt, the distance of the plumb point from the principal point will be
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The angle between the observer's meridian and declination circle of a heavenly body, is known as
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The scale of a vertical photograph of focal length ‘f’ taken from height of ‘H’ metres above M.S.L., at a point of reduced level ‘h’, is
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The main object of the astronomer to obtain
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