Q$2(4)$ A compressor set at a pressure of $90$ psig delivers $100$ ft$3$

$/$min of free

air to an air hammer through a $1-$inch nominal diameter pipe $,$ and $150$ ft long,

the fittings equivalent length $(($ is $50$ ft$.$

Use the Harris formula to compute the pressure drop$(($ for this pipe.

Atmospheric pressure is $14\mathrm{.}6$ psi