SSC SSC JE Civil 2025 Mock Test Series (Paper 1 & Paper 2) Fluid Mechanics Open Channel Flow Weirs and Notches
On the basis of Francis experiments, the end contraction ________ the effective length of the crest of weir and hence the discharge _________.
1
Decreases, Decreases
2
Decreases, Increases
3
Increases, Decreases
4
Increases, Increases