engineering recuitment BMC Sub Engineer Mock Test 2024 Fluid Mechanics Dimensional and Model Analysis Dimensionless Number
The only possible dimensionless group that combines velocity ‘V’, body size ‘L’, fluid density ‘ρ’ & surface tension ‘σ’
1
\(\frac {L\rho \sigma}{V}\)
2
\(\frac {\rho VL^2}{\sigma}\)
3
\(\frac {\sigma L V^2}{\rho}\)
4
\(\frac {\rho L V^2}{\sigma}\)
5
\(\frac {\sigma V L^2}{\rho}\)