Which of the following canal structures is used to remove surplus water from an irrigation channel into a natural drain ?

Related MCQs

• When the irrigation canal and the drain are at the same level, then the cross drainage work is achieved by providing a
• A structure constructed in an irrigation canal for the purpose of wasting some of its water, is known as a
• The drainage water intercepting the canal can be disposed of by passing the canal below the drainage in
• For a canal which irrigate the area directly, the fall should be provided at a location where the F.S.L. outstrips the gound level, but before the bed of the canal comes into filling.
• When the drain is over the canal, the structure provided is known as
• The excapes must lead the surplus water to natural drainage.
• A solid construction put across the river to raise its water level and divert the water into the canal, is known as
• A canal aligned roughly at right angles to the contours of the country is called ridge canal.
• When the levels are such that the F.S.L. of the canal is much above the bed level of the drainage trough, so that the canal runs under syphonic action under the trough, the structure provided is known as
• When a canal flowing under pressure is carried below a natural drainage such that its F.S.L. does not touch the under side of the supporting structure, the structure provided is super-passage.