engineering recuitment PPSC JE Civil Mock Test 2022 Fluid Mechanics Open Channel Flow Rapidly Varied
Which of the following conditions is the chief characteristic of critical flow?
1
\(\frac{{{{\rm{Q}}^{2{\rm{\;}}}}{\rm{T}}}}{{{\rm{g}}{{\rm{A}}^3}}} = 1\)
2
\(\frac{{{\rm{Q}}{{\rm{T}}^{2{\rm{\;}}}}}}{{{\rm{g}}{{\rm{A}}^2}}} = 1\)
3
\(\frac{{{{\rm{Q}}^{2{\rm{\;}}}}{\rm{R}}}}{{{\rm{g}}{{\rm{A}}^3}}} = 1\)
4
\(\frac{{{{\rm{Q}}^{2{\rm{\;}}}}{{\rm{T}}^2}}}{{{\rm{g}}{{\rm{A}}^3}}} = 1\)