Question

Divide wall helps in concentrating scouring action.

(a) True

(b) False

I have been asked this question during a job interview.

This intriguing question comes from Diversion Head Works and its Components in division Diversion Head Works, Hydraulic Jump Usefulness in Irrigation Structure of Irrigation Engineering

Answer 1

Correct option is (a) True

Best explanation: If perhaps divide wall is not provided then the currents approach the scouring sluices from all directions and their effectiveness is reduced. Thus the dividing wall helps in concentrating the scouring action of the under sluices from washing out the silt deposited in the pocket.