Question

The most desirable alignment of an irrigation canal is along:

• A. {The straight line}
• B. {The perpendicular line}
• C. {The valley line}
• D. {The ridge line}

Hint:

The ridge line alignment is preferred for canals as it minimizes cross drainage works.

Answer 1

The Correct Option is D

Step 1: The best alignment for an irrigation canal is along the ridge line to ensure: - Minimal cross drainage, - Reduced soil erosion, - Efficient water distribution. Step 2: The valley line is unsuitable because it may cause excessive erosion and flooding. Thus, the correct answer is (D) The ridge line.