SSC SSC JE Civil 2025 Mock Test Series (Paper 1 & Paper 2) Irrigation Engineering Dams and Spillways
In order to allow the seepage water to escape without dislocating the soil particles a/an __________ is provided at the downstream end of the impervious floor of a weir.
1
inverted filter
2
pervious floor
3
graded filter
4
launching apron