UPSC Civil Service Exam Questions

Q1:
In a laminar boundary layer, the velocity distribution can be assumed to be given, in usual notations, as

Which one of the following is the correct expression for the displacement thickness δ* for this boundary layer ?

A δ* = δ

B δ* = δ/2

C δ* = δ/4

D δ* = δ/6

ANS:A - δ* = δ

No answer description is available. 



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