Civil Engineering - Irrigation - Discussion


To control the silt entry into a distributary at head regulator, King's vanes are provided which are the walls

[A]. of R.C.C. or steel plate 8 cm thick
[B]. of height l/3rd to l/4th the depth of water in the main canal
[C]. spaced at interval of times their heights
[D]. extending about one metre beyond a line drawn at an inclination of 2 : 1 to the axis of main canal
[E]. all the above.

Answer: Option E


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