Section 4: Soil and Water Conservation Engineering
Surveying and Levelling
Subtopic: Types of levelling
Question Statement:
The process of determining the elevation of different points in a vertical plane is known as
Options:
(A) Levelling
(B) Surveying
(C) Contouring
(D) Tacheometry
Official Answer Key:
A
Step-by-Step Solution & Explanation
Levelling is, by definition, the branch of surveying concerned with determining the elevation (vertical position) of points relative to a datum. Surveying (B) is the broader discipline (horizontal + vertical measurement); Contouring (C) is mapping lines of equal elevation; Tacheometry (D) is a rapid distance/elevation method using stadia. Answer: (A).
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