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11
Three point problem can be solved by
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Answer: Option D
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12
The zenith is the point on the celestial sphere
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Answer: Option D
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13
The allowable length of an offset depends upon the
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Answer: Option D
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14
The great circle whose plane is perpendicular to the axis of rotation of the earth, is called
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Answer: Option D
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15
The plane at right angle to the zenith-nadir line and passing through the centre of the earth, is called
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Answer: Option D
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16
To obtain photographs of an area of 1000 m average elevation, on scale 1 : 30,000, with a camera of 30 cm focal length, the flying height is
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Answer: Option C
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17
The difference of height of two points whose parallax difference is 0.8 mm on a pair of stereo pair taken from a height ‘H’ is 100 m. If mean photo base is 95.2 mm, the flying height is
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Answer: Option C
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18
The correction for parallax, is
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Answer: Option C
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19
The Polaris describes a small circle round the pole whose radius is approximately
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Answer: Option A
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20
Sensitiveness of a level tube is designated by
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Answer: Option A
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