engineering recuitment Vizag Steel MT Mechanical 2020 Test Series Fluid Mechanics Boundary Layer Theory
Boundary layer flow separates from the surface if
1
\(\frac{{du}}{{dy}} = 0\;and~\frac{{dp}}{{dx}} = 0\)
2
\(\frac{{du}}{{dy}} = 0\;and~\frac{{dp}}{{dx}} > 0\)
3
\(\frac{{du}}{{dy}} > 0\;and~\frac{{dp}}{{dx}} < 0\)
4
Boundary layer thickness is zero.