91. Which of the following statements is incorrect ?
92. The displacement of the pictured position of a point of h elevation on a vertical photograph taken with a camera of 30 cm focal length, from an altitude of 3000 m, is
93. Bowditch rule is applied to
94. The adjustment of horizontal cross hair is required particularly when the instrument is used for
95. Pick up the correct statement from the following:
96. Pick up the correct statement from the following:
97. For any star to be a circumpolar star, its
98. The sidereal day is the time interval between two successive upper transits of
99. If a tripod settles in the interval that elapses between taking a back sight reading and the following foresight reading, then the elevation of turning point will
100. The prismatic compass and surveyor’s compass
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