A horizontal split-case electric fire pump is serving a seven story high rise with modifications on the upper level. If the pump is rated for 68 psi at 750 gpm (58 brake hp) and keeps a constant impeller diameter, what will the new brake horsepower be if the speed is increased from 1790 rpm to 1850 rpm?
a. 56 hp
b. 60 hp
c. 62 hp
d. 64 hp
Solution | Posted 07/11/18
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