Question

# The ratio of inertial forces to viscous forces is known asCoefficient of viscosityReynolds number Fluid compressibilityNone of these

Solution

## The correct option is B Reynolds number Reynolds number is defined as the ratio of inertial forces to the viscous forces for a fluid. Re=Inertial forceViscous force=ρvDη where v→ Fluid velocity η→ Fluid viscosity D→ Diameter of flow conduit

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