Question

In the method of surveying the field work and plotting are done simultaneously is called

• A. Drawing survey
• B. Chain survey
• C. Compass survey
• D. Plane table survey

Hint:

Plane Table = "Plot as you see." No field book is required, which reduces the chance of missing data.

Answer 1

The Correct Option is D

Step 1: Concept
Most surveying methods involve recording data in a field book first and drawing the map later in an office.

Step 2: Meaning
A specific graphical method exists where the observations and the final map are created at the same time on the field.

Step 3: Analysis
Plane table surveying utilizes a drawing board mounted on a tripod. By using an alidade, the surveyor draws the lines of sight directly onto the paper while observing the field.

Step 4: Conclusion
This simultaneous process is characteristic of a Plane table survey.
Final Answer: (D)