When the weight of the weir balances the uplift pressure caused by the head of water seeping below the weir, it is called as ____________
(a) gravity weir
(b) non-gravity weir
(c) vertical drop masonry weir
(d) concrete glacis weir
This question was addressed to me in a national level competition.
Question is from Diversion Head Works in division Diversion Head Works, Hydraulic Jump Usefulness in Irrigation Structure of Irrigation Engineering