Mine Surveying - Study Mode
[#186] In Tacheometry c = f + d is known as . . . . . . . . constant.
Correct Answer
(A) Additive
[#187] The theodolites fitted with micrometer for taking . . . . . . . .
Correct Answer
(A) Precise angles
[#188] Apex distance calculated by . . . . . . . .
Correct Answer
(D) $$Rleft( {sec frac{phi }{2} - 1}
ight)$$
[#189] How many type of errors in chain surveying . . . . . . . .
Correct Answer
(A) 2
[#190] Which levelling instrument have the high presion, the mean elevation error on invar staff graduated to 5mm division varies between +0.5 - 0.8 per km of forward and back ward levelling.
Correct Answer
(A) Self aligning level