GATE Papers >> Mechanical >> 2017 >> Question No 6

Question No. 6 Mechanical | GATE 2017

For steady flow of a viscos incompressible fluid through a circular pipe of constant diameter, the averavge velocity in the fully developed region is constant. Which one of the following statements about the average velocity in the developing region is TRUE?


Answer : (B) It is constant and is equal to the average velocity in the fully developed region.


Solution of Question No 6 of GATE 2017 Mechanical Paper

At the entry of pipe due to boundary layer retardation increase till fully developed flow start thus velocity keeps on decreasing until the flow is fully dveloped.

 

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