To control the silt entry into a distributary at head regulator, King – McqOptions

MCQOPTIONS

1.	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 ⅓rd to ¼th the depth of water in the main canal
C.	Spaced at interval of 1½ times their heights
D.	All the above
Answer» E.

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