Question

0.90 Reynolds number signifies the ratio of
a
gravity forces top viscous forces
b
inertial forces to viscous forces
C
inertia forces to gravity forces
d buoyant forces to inertia forces​

Answer 1

Answer:

option C

Explanation:

Answer 2

Reynolds number signifies the ratio of "inertial forces to viscous forces". (option b)

• The Reynolds number is a dimensionless number and, is defined as the ratio of the inertial forces to the viscous forces, for a fluid that is flowing.
• It helps in determining the nature of the flow of a liquid (or fluid), as, whether it is a laminar flow or a turbulent flow.
• It is denoted as $R_e$ and given by $R_e=\frac{inertial \hspace{3} forces(F_I)}{viscous \hspace{3} forces(F_v)}$
• Thus, the correct answer will be 'option b'.

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