Mine Surveying - Study Mode
[#191] In internal focussing telescope the object lens and eye piece are . . . . . . . . position.
Correct Answer
(B) Stationaryor fixed
[#192] The sensitiveness of a level tube decrease if . . . . . . . .
Correct Answer
(D) Bothviscosity and surface tension are increased
[#193] At a place where the declination is 4°E the magnetic bearing of line is 181°. The true bearing of the same is . . . . . . . .
Correct Answer
(A) 185°
[#194] Most of the General Theodolites can read angles up to . . . . . . . .
Correct Answer
(C) 20"
[#195] Reciprocal levelling is done to find out.
Correct Answer
(A) Difference in elevation between two points which are wide apart