SSC JE Civil Engineering 2018 Set 5 Solved Paper

Question : 145 of 200

Marks: +1, -0

Calculate the critical velocity (m/sec) of a channel using Kennedy’s theory, if the depth of flow is 3 m.

Solution:

V_\critical = 0.55 m (d)^0.64

d = depth of flow = 3 m
Let m = 1

V_\critical = 0.55 (3)^0.64 = 1.11

m/sec

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