• # question_answer A centrifugal pump was manufactured to couple directly to a 15 HP. electric motor running at 1950 rpm delivering 50 liters per minute against a total head of 20 m. It is desired to replace the pump. The head developed by pump is likely to be: A) 41.4 m             B) 29.6 mC) 20 m                            D) 9.5 m

N = 1950 rpm, Q = 50 1 pm or $50\times {{10}^{-\,3}}{{m}^{3}}/min,$ H = 20 m