Respuesta :

Shear stress decreases along the flow direction. That is why the pressure drop is highest in the entrance region of a pipe, which increases the average friction factor for the whole pipe. ... In fully developed region the pressure gradient and the shear stress in flow are in balance.
Cricetus

The friction factor for fully developed flow will be "0.064".

Given:

Reynolds number,

  • Re = 1000

As we know the formula,

→ Friction factor, [tex]F = \frac{64.00}{Re}[/tex]

By substituting the values, we get

                               [tex]= \frac{64.00}{1000}[/tex]

                               [tex]= 0.064[/tex]

Thus the response above is correct.

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https://brainly.com/question/13254450

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