71. Planimeter invented by prof. . . . . . . . .
72. If the angular measurements of a traverse are more precise than linear measurements, balancing of the traverse is done by . . . . . . . .
73. National Grid is a system of rectangular co-ordinates used by this agency and base upon the tranverse mercator projection.
74. The drawing of an irregular area is covered by 2080 mm2, scale of the drawing is 1mm = 1m. The actual field area is . . . . . . . .
75. Diopter is the power of a lens having focal length of . . . . . . . .
76. In a closed traverse ABCDEA the sum of the exterior angles equal to . . . . . . . .
77. The bearings observed with the prismatic compass are known as
. . . . . . . .
78. The staff reading taken on a point of unknown elevation from the same setup of the level.
79. The operation of aligning a line between two stations not intervisible called . . . . . . . .
80. The most commonly used instrument for measuring the angles of slopes in chain survey is . . . . . . . .
Read More Section(Mine Surveying)
Each Section contains maximum 100 MCQs question on Mine Surveying. To get more questions visit other sections.