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
Our daily posts run during study season (June - October). Subscribe for posts on PE Problems and Daily Discussions, straight to your inbox, for free:
Complete Standings for the Weekly Exam Series:
Daily discussion questions are open-ended questions posed by members for the benefit of sharing expertise and learning from other perspectives. Join as a member here.
Visit July-October for daily Fire Protection PE Exam sample questions.
Solutions are posted the day after posting.
Comment with your solutions, questions or clarifications.
Please note that questions posted are unofficial and in accordance with NCEES rules are intended to be similar to actual exam questions, not actual exam questions themselves.