$7\mathrm{.}26$ What hp must the pump shown in Fig. $7\mathrm{.}30$ deliver to a fluid having a specific weight of $60\mathrm{.}0l\frac{b}{f}t3$ if energy losses of $3\mathrm{.}40lb-f\frac{t}{l}b$ occur between points $1$ and $2?$ The pump delivers $40ga\frac{l}{m}in$ of fluid.

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$(9)$ Facebock$-$Log $lna.$

AOLMai

$7\mathrm{.}20$

$\frac{2}{6}$

hown in Fig. $7\mathrm{.}51$ delivers $600\frac{L}{m}in$ of water. directly into the atmosphere. Determine the in the system.

FIGURE $7\mathrm{.}30$ Problems $7\mathrm{.}26$ and $7\mathrm{.}27.$