1-For the same value of Reynolds number the friction factor for steady laminar flow in a circular pipe is greater than that for the flow between parallel plates? true or false 2-In fully turbulent region in a pipe flow when Reynolds number is too high the friction factor is depend upon the relative pipe roughness only ? true or false 3-Increase fluid flow viscosity leads to increase turbulence true or false 4-Reynolds number represents the ratio of viscous force to inertia force? true or false 5-For the same fluid and tube diameter the entrance length for turbulent flow is greater than that for laminar flow ? true or false 6-The total pressure of the fluid flow is the summation of piezometric pressure and dynamic pressure true or false 7-In laminar flow the viscous forces are greater than the inertial forces true or false 8-Ideal flow is steady, uniform and incompressible true or false
1-For the same value of Reynolds number the friction factor for steady laminar flow in a circular pipe is greater than that for the flow between parallel plates? true or false 2-In fully turbulent region in a pipe flow when Reynolds number is too high the friction factor is depend upon the relative pipe roughness only ? true or false 3-Increase fluid flow viscosity leads to increase turbulence true or false 4-Reynolds number represents the ratio of viscous force to inertia force? true or false 5-For the same fluid and tube diameter the entrance length for turbulent flow is greater than that for laminar flow ? true or false 6-The total pressure of the fluid flow is the summation of piezometric pressure and dynamic pressure true or false 7-In laminar flow the viscous forces are greater than the inertial forces true or false 8-Ideal flow is steady, uniform and incompressible true or false
Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter5: Analysis Of Convection Heat Transfer
Section: Chapter Questions
Problem 5.1P: Evaluate the Reynolds number for flow over a tube from the following data: D=6cm,U=1.0m/s,...
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Question
1-For the same value of Reynolds number the friction factor for steady laminar flow in a circular pipe is greater than that for the flow between parallel plates?
true or false
2-In fully turbulent region in a pipe flow when Reynolds number is too high the friction factor is depend upon the relative pipe roughness only ?
true or false
3-Increase fluid flow viscosity leads to increase turbulence
true or false
4-Reynolds number represents the ratio of viscous force to inertia force?
true or false
5-For the same fluid and tube diameter the entrance length for turbulent flow is greater than that for laminar flow ?
true or false
true or false
6-The total pressure of the fluid flow is the summation of piezometric pressure and dynamic pressure
true or false
7-In laminar flow the viscous forces are greater than the inertial forces
true or false
true or false
8-Ideal flow is steady, uniform and incompressible
true or false
true or false
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