By which of the following, the difference in elevation between two points can be

Question

By which of the following, the difference in elevation between two points can be calculated by taking a difference between the two readings and no correction for the inclination of the line of sight is necessary?

Options:

A . Levelling

B . Centering

C . Contouring

D . Balancing

Answer: Option D
Answer: (d).Balancing

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Question 1. If the observed back sight and fore sight are x1 and x2. The correction back sight on A will be equal to x1-y1, where y1....in level between A and B, if D1 = D2?

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