EXAMIANS
In the quadrantal bearing system, a whole circle bearing of 293° 30′ can be expressed as
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The meridian of a place is
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If the general ground level of any area is 10% of the flying height, the principal points may be used as the centers of radial directions for small scale mapping even in tilted photograph up to
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International Date Line is located along
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The permissible error in chaining for measurement with chain on rough or hilly ground is
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According to Napier's Rules of circular parts for a right angled triangle, sine of middle part equals the product of
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The adjustment of horizontal cross hair is required particularly when the instrument is used for
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The net ground area of a vertical photograph 20 cm × 20 cm on scale 1 : 10,000 having overlaps 60% and 30%, is
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The main object of the astronomer to obtain
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Longitude of a place is the angular distance between the meridian of the place and
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