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Which of the following statements is/are CORRECT regarding the flow of fluid? a) All fluid layers are parallel to each other in case of turbulent flow. b) The Reynold’s number is less than 2000 for turbulent flow and greater than 4000 for laminar flow. c) Two fluid layers don’t cross each other in case of laminar flow
The velocity at which the flow changes from laminar flow to turbulent flow is called
Transition from laminar flow to turbulent flow in fluid flow through a pipe does not depend upon the
Consider the following statements: 1) At low Reynolds numbers of any flow, viscous forces dominate over inertial forces. 2) Transition from laminar to turbulent flow occurs over a range of Reynolds numbers depending on the surface presented to the flow. Which of the above statements is/are correct?
Choose the incorrect statement regarding laminar flow and turbulent flow-
In convection heat transfer from hot flue gases to water tube, even though flow may be turbulent, a laminar flow region (boundary layer of film) exists close to the tube. The heat transfer through this film takes place by
Transition from laminar flow to turbulent flow is aided by the
Which among the following is a device that converts a laminar flow into a turbulent flow?
There will be a transition from laminar flow to turbulent flow when______
Which of the following non-dimensional numbers is used for transition from laminar flow to turbulent flow in the free convection?