engineering recuitment HAL Management & Design Trainee Mock Test 2023 Fluid Mechanics Dimensional and Model Analysis Dimensionless Number
The Reynold’s number, used for critical velocity for turbulent flow of fluids, is given by the relation
1
\(\rm \dfrac{Pressure\;head}{Viscous \;force}\)
2
\(\rm \dfrac{Viscous \;force}{Mass\;density}\)
3
\(\rm \dfrac{Viscous \;force}{Pressure\;head}\)
4
\(\rm \dfrac{Inertia\;force}{Viscous \;force}\)