Solve for the friction factor

Water flows at a rate of $10\mathrm{.}1$ gal per minute in a new horizontal $0\mathrm{.}76-$in$.-$diameter concrete pipe.

Frictional pressure drop depends on velocity, diameter, viscosity, and roughness. Use the average value of a parameter for a range

if no further information is given.

What is the relative roughness?

$\frac{}{D}=$

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Part $2$

Determine Reynolds number

What is the Reynolds number?

$Re=$

Part $3$

Determine friction factor

What is the friction factor?

$f=$

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Part $4$

Determine pressure drop per unit length

What is the pressure gradient $($pressure drop in psi per foot of length$)?$

$d\frac{p}{d}l=$ psi$/$ft

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