Mine Surveying - Study Mode
[#171] A fixed reference point of known elevation.
Correct Answer
(C) Bench mark
[#172] Averaging of result of face left and face right readings correct, which of the following error.
Correct Answer
(B) Index error
[#173] The degree of accuracy in chain survey under average condition is . . . . . . . .
Correct Answer
(A) 1 in 500
[#174] Pedometer is sometimes used in . . . . . . . .
Correct Answer
(B) Recomnarsance
[#175] Simplest way of setting but a right angle with only a chain is by the rule . . . . . . . .
Correct Answer
(B) 3, 4, 5