EXAMIANS
Polaris is usually observed for the determination of the latitude when it is
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The process of turning the telescope about the vertical axis in horizontal plane is known as
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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 relief displacement of a building 72 m high on photograph is 7.2 mm and its top appears 10 cm away from principal point. The flying height of the camera, is
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The type of surveying which requires least office work is
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The latitude of a place was obtained by subtracting the zenith distance of a star from its declination, the observed star was between
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The point where vertical line passing through the perspective centre intersects the plane of the photograph, is known as
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The error due to eccentricity of inner and outer axes can be eliminated by
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Horizontal distances obtained by thermometric observations
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The flying height of the camera is 1,000 m above mean ground level, the distance of the top of a building from a nadir point is 10 cm and the relief displacement of building is 7.2 mm. The height of the building, is
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