When the high flood level of the drain is sufficiently below the bed of the Canal that the drainage water flows freely under gravity, such structure is called___________________?

Related Mcqs:

in most economical Trapezoidal section, half of the Top width is equal to _________________?

A. Bottom width of channel B. Depth of channel C. Sloping side of channel D. None of these...

The property of soil which indicates the volume of water stored in the formation is called ___________________?

A. Specific yield B. Porosity C. Field capacity D. Specific retention...

Net irrigation + field irrigation losses are the requirement of _____________________?

A. Full irrigation B. Field irrigation C. Furrow irrigation D. Basin irrigation...

The area irrigated in the year and it grows crops on which water rates are leveled is called____________________?

A. Area Assessed B. Area leased C. Area irrigated D. Area cultivated...

The depth before the jump is always less then the depth after the jump. The depth before the jump is called initial depth and depth after the jump is called_______________?

A. Afflux B. Final depth C. Sequent depth D. Down stream water depth...