# Civil Engineering - Surveying

Exercise : Surveying - Section 2

1.

An ideal transition curve is

Answer: Option

Explanation:

IRC recommends Spiral or clothoid as the ideal transition curve due to following reasons:

1. It satisfies that rate of change of centrifugal acceleration is constant i.e., L_{s}.R = constant. Where L_{s} = length of transition curve R = radius of curve.

2. The calculation and field implementation of spiral curve is simple and easy.

3. It enhances aesthetics also.

2.

Pantagraph is used for

3.

If the angular measurements of a traverse are more precise than its linear measurements, balancing of the traverse, is done by

4.

The branch of surveying in which both horizontal and vertical positions of a point, are determined by making instrumental observations, is known

5.

In levelling operation

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