MCQ
Reynold's number (Re) can be defined as:
- A$\frac{\rho\eta}{\text{vd}}$
- B$\frac{\text{vd}}{\rho}$
- C$\frac{\rho\text{vd}}{\eta\text{d}}$
- D$\text{d}\rho\frac{\text{v}}{\eta}$
$\text{d}\rho\frac{\text{v}}{\eta}$
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