Mine Surveying - Study Mode
[#136] The point where the curve joins to forward tangent called . . . . . . . .
Correct Answer
(A) Point of tangency
[#137] The maximum permissible angular error in seconds in a closed underground traverse of 16 stations measured with a 20 seconds theodolite is
Correct Answer
(C) 80
[#138] In weissbach triangle method of correlation the number of shafts used for correlation are
Correct Answer
(A) One
[#139] Main advantage of annallatic lens by its introduction the calculation of distance and height is made . . . . . . . .
Correct Answer
(A) Simple
[#140] A corss staff is used for the purpose of . . . . . . . .
Correct Answer
(C) Setting out right angles