Determine the

difference in pressure $p_1-p_2.[5$ Points$]$

$.$ The loss per unit mass between section $(1)$ and $(2).[10$ Points$]$

c$.$ Water temperature change, if all the loss is turned into heat and the flow is adiabatic. $[5$ Points$]$

${}_w=62\mathrm{.}4\frac{lb}{f{t}^3}$;$S{G}_M=13\mathrm{.}6$;${}_w=1\mathrm{.}94\frac{\text{s}\text{l}\text{u}\text{g}}{f{t}^3}$;$g=32\mathrm{.}2\frac{ft}{s^2}$

Water Specific Heat: $c=25,000ft*\frac{lb}{\text{s}\text{l}\text{u}\text{g}\text{.}F}$