Question

Consider the following:

A. Locate the boundaries of an area

B. Plot the figure to a scale

C. Find the area of the plot

D. Find the reduced levels of the plot

Which of the above is/are the objective(s) of chain and cross-staff survey?

1. Only D
2. Only A, B and C
3. Only A and B
4. All of them

Answer 1

Correct Answer - Option 2 : Only A, B and C

Explanation:

The objective of chain and cross-staff survey:

• To find the distance between two points on a horizontal plane.
• To relate different features on the ground in terms of distance.
• To locate the boundaries of an area.
• To determine the area of the field.

Dumpy-level, Auto-level, and Total station are used to find the RL(Reduced level) of any point.