Question

Match the following non-dimensional numbers with the correcponding definitions:

$\begin{array}{cccc}& \text{Non-dimensional number}& & \text{Definition}\\ \text{P.}& \text{Reynolds number}& \text{1.}& \frac{\text{Buoyancy force}}{\text{Viscous force}}\\ \text{Q.}& \text{Grashof number}& \text{2.}& \frac{\text{Momentum diffusivity}}{\text{Thermal diffusivity}}\\ \text{R.}& \text{Nusselt number}& \text{3.}& \frac{\text{Inertia force}}{\text{Viscous force}}\\ \text{S.}& \text{Prandtl number}& \text{4.}& \frac{\text{Convective heat transfer}}{\text{Conduction heat transfer}}\end{array}$

• A.
  P-3, Q-1, R-2, S-4
• B.
  P-3, Q-1, R-4, S-2
• C.
  P-4, Q-3, R-1, S-2
• D.
  P-1, Q-3, R-2, S-4

Answer 1

The correct option is B

P-3, Q-1, R-4, S-2
P-3, Q-1, R-4, S-2