Civil Engineering - UPSC Civil Service Exam Questions - Discussion


.The displacement thickness of a boundary layer is

[A]. The distance to the point where (v/V) = 0.99
[B]. the distance where the velocity v is equal to the shear velocity V∗ that is where v = V∗
[C]. the distance by which the main flow is to be shifted from the boundary to maintain the continuity equation
[D]. one-half the actual thickness of the boundary layer

Answer: Option A


No answer description available for this question.

Deepinder Singh said: (Dec 13, 2019)  
The answer should be C, answer A is for the boundary layer.

Gokul said: (Feb 14, 2020)  
C is the correct option. A is boundary layer thickness.

Post your comments here:

Name *:

Email   : (optional)

» Your comments will be displayed only after manual approval.