Irrigation Engineering - Irrigation Engineering objective questions and answers

36.  Which canal is used to drain off water from waterlogged areas?

   A. Ditch canal

   B. Drain canal

   C. Perennial canal

   D. Percolation canal

37.  A velocity in excess of the critical velocity is called

   A. Supersonic velocity

   B. Super critical velocity

   C. Hyper critical velocity

   D. High critical velocity

38.  The Montague type canal fall, the glacis is

   A. Straight

   B. Semi-circular

   C. Parabolic

   D. Cycloidal

39.  The ratio of total volume of water delivered to a crop to the area on which it has been spread, is called

   A. Critical depth

   B. Duty

   C. Delta

   D. Base

40.  The difference in levels between the top of the capital zone and the water table, is

   A. Negative

   B. Zero

   C. Positive

   D. Depends upto the location

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