Mine Surveying - Study Mode
[#301] A page from a chain book is shown in fig. The width of river AB is equal to
Correct Answer
(C) 1m
[#302] The equivalent quadrantal bearing of the WEB of 250°30'.
Correct Answer
(B) N 22° 30' E
[#303] In the whole circle system the bearings may have any value between . . . . . . . .
Correct Answer
(A) 0 - 360° clockwsie
[#304] If the measured length of line is more than actual length, the sign of the error is . . . . . . . .
Correct Answer
(C) Positive
[#305] If L 1 is true length and L is standard length of a chain used for measurement the true area . . . . . . . .
Correct Answer
(C) $${left( {frac{{{L^1}}}{L}}
ight)^2} imes { ext{measured area}}$$