A canal designed for 1200 hectares of rice, base period 140 days and delta 134 cm, is used for wheat of base period 120 days and delta 52 cm. The area irrigated is

Why is this the answer?

For same discharge, area is proportional to duty B/delta. New area = 1200 x (120/0.52)/(140/1.34) ≈ 2650 ha

Related Irrigation Engineering MCQs

More solved Irrigation Engineering questions for AE/JE Civil Engineering exams.

• The 'Lacey''s regime theory' for design of stable alluvial canals gives:
• In irrigation, if the duty D (hectares per cumec) and delta delta (m) over the base...
• A silty soil of high compressibility is represented by
• Freeboard in a dam is the vertical distance between:
• The field irrigation requirement (FIR) for a crop is related to consumptive use (CU),...
• In canals likely to be water-logged, the preferable type of irrigation is