Water at 40 °C is pumped from an open tank through 200 m of 50 mm diameter smooth horizontal pipe as shown in figure (a) of the system and discharges into the atmosphere with a velocity of 3 m/s. Minor losses are negligible. T 3 m 1 a) If the efficiency of the pump is 70%, how much power is being supplied to the pump? What is the NPSHA at the pump inlet? Would you expect cavitation in the pump to be a problem? Explain using the pump performance characteristics shown in figure (b). (b) b) c) (a) (1) Solution PUMP Diameter = 50 mm (2) Length = 200 m Head, ft 500 400 300 200 100 0 0 8 in. dia 7 6 NPSHR 15 65 60 50 40 bhp 55 30 25 20 40 80 120 160 200 240 280 320 15 10 NPSHR, ft

Water at 40 °C is pumped from an open tank through 200 m of 50 mm diameter smooth horizontal pipe as shown in figure (a) of the system and discharges into the atmosphere with a velocity of 3 m/s. Minor losses are negligible. T 3 m 1 a) If the efficiency of the pump is 70%, how much power is being supplied to the pump? What is the NPSHA at the pump inlet? Would you expect cavitation in the pump to be a problem? Explain using the pump performance characteristics shown in figure (b). (b) b) c) (a) (1) Solution PUMP Diameter = 50 mm (2) Length = 200 m Head, ft 500 400 300 200 100 0 0 8 in. dia 7 6 NPSHR 15 65 60 50 40 bhp 55 30 25 20 40 80 120 160 200 240 280 320 15 10 NPSHR, ft

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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