71. Theodolite is an instrument used for
72. Systematic errors
73. In a spherical triangle ABC, right angled at C, sin b equals
74. Pick up the correct statement from the following:
75. Pick up the correct statement from the following:
76. On vertical photographs, height displacement is
77. The First Point of Aeries
78. The process of determining the locations of the instrument station by drawing re sectors from the locations of the known stations is called
79. If the lower clamp screw is tightened and upper clamp screw is loosened, the theodolite may be rotated
80. The position of a heavenly body on the celestial sphere can be completely specified by
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