Civil Engineering - Irrigation - Discussion
Discussion Forum : Irrigation - Section 3 (Q.No. 40)
40.
To control the silt entry into a distributary at head regulator, King's vanes are provided which are the walls
of R.C.C. or steel plate 8 cm thick
of height l/3rd to l/4th the depth of water in the main canal
spaced at interval of 
times their heights
times their heightsextending about one metre beyond a line drawn at an inclination of 2 : 1 to the axis of main canal
all the above.
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