The weed growth in a canal leads to

Related MCQs

• 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.
• 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
• Which of the following canal structures is used to remove surplus water from an irrigation channel into a natural drain ?
• Which of the following canal outlets maintains a constant discharge ?
• If the R.L's of canal bed level and high flood level of drainage are 212.0 m and 210.0 m respectively, then cross drainage work will be
• When the full supply level (F.S.L.) of the canal is much below the bed level of the drainage trough, then the cross drainage provided is called syphon aqueduct.
• When the drain is over the canal, the structure provided is known as
• The water shed canal is also called