... is 80 percent of bep capacity. For a specific speed of 1090, asbefore, the percentages of bep head and efficiency are shown in Figs. 36 and 37:79.5 percent of bep head and percent of bep efficiency. ... speed is 80 percent of bep speed at2880 r/min. For a specific speed of 1090, the percentages of bep capacity, effi-ciency, and power are 107 percent of the capacity, 94 percent of the efficiency, ... riseIn any centrifugal pump, the rate of temperature rise trЊF/minϭ42.4(bhp inputat shutoff)/wc, where wϭweight of liquid in the pump, lb; cϭspecific heat of the liquid in the pump, Btu /...