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UPSC Civil Service Exam Questions - Engineering

Q1:

As per Lacey's regime equation, what is the flow velocity proportional to ?

A (Qf2)1/3

B (Qf2)1/6

C Q/f2

D (Q/f)1/6

ANS:B - (Qf2)1/6

v=[Qf^2/140]^1/6