Question

Which of the following statements regarding land levelling methods are correct
A. Plane method is most commonly used method of land levelling
B. Profile method is usually well adopted to leveling design of very flat land with undulating topography
C. Plan inspection method does not give quick estimate
D. Contour method is adapted to smoothening of steep lands that are to be irrigated
Choose the correct answer from the options given below:

• A. A, B and D only
• B. A, B and C only
• C. B, C and D only
• D. B and D only

Hint:

To remember the methods:
- Plane Method $\rightarrow$ Most common, uses least-squares to balance cuts and fills.
- Plan Inspection $\rightarrow$ Quick and subjective.
- Contour Method $\rightarrow$ Used on steep, sloping lands.

Answer 1

The Correct Option is A