A canal head work in rocky stage of a river is not suitable because

Related MCQs

• Study the following statements. i) Levees are constructed parallel to river flow, ii) Spurs are constructed parallel to river flow, iii) Levees are constructed transverse to river flow, iv) Spurs are constructed transverse to river flow. The correct answer is
• Trough stage of river is most suitable location for diversion head works.
• The level of a canal diversion head work depends upon
• 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
• The stage of river carrying a discharge of Q m7sec at a point is 10 m and slope of water surface is (1/4000). The discharge of a flood at the same point and same stage of 10 m with a water surface slope of(l/1000)willbe
• A river training work is generally required when the river is
• A river training work is generally required when the river is