Question

In turbulent flow, the velocity of the liquid molecules in contact with the walls of the tube.

• A. is zero
• B. is maximum
• C. is equal to critical velocity
• D. may have any value

Answer 1

The correct option is D may have any value

In turbulent flow, the motion of a particle after it passes a particular point may be quite different from the motion of the particle that preceded it at that point. Turbulent flow is characterized by randomness or irreproducibility of the motion of individual particles. It usually occurs in fluids moving at high speeds.

Hence the correct answer is option D.