Trigonometric levelling is also called:
AIndirect levelling
BDifferential levelling
CFly levelling
DProfile levelling
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Related Questions:
During levelling if back sight is more than fore sight, then:
The curves used for drawing lines between points in a contour line is:
Method of ranging adopted in Forest areas.
The effect of refraction is ---------- of that of the curvature
In the rise and fall method of reduction of level, there is no check on: