please answer the question and why?
Posted: Wed Apr 27, 2022 2:40 pm
please answer the question and why?
4. (5 pts) From the figure below, pick the best impeller size for a pump with a flowrate of 400 gpm. The pump head curve is shown on the figure. 100 1750 RPM 90 9.5 % 184 79% 79.5% 9' 80 25% 8.5 799 78% 70 8 9" 60 14% 7.5 70 TOTAL HEAD IN FEET БНР 50 7 40 40 TOHP 30 и НР. 30 NPSHR IN 20 БНР 20 FEET 10 10 0 0 0 100 200 300 400 500 600 700 800 US GALLONS PER MINUTE a (5 pts) What is the efficiency at this point (to the nearest half of a percent)?x78,2% 6ft E} (5 pts) What is the (NPSH)req'd at this point (in feet)?
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