Delivery head of a centrifugal pump is A Directly proportional to N B Inversely proportional to N C Directly proportional to N<sup>2</sup> D Inversely proportional to N<sup>2</sup> Delivery head of a centrifugal pump is Correct Answer Directly proportional to N<sup>2</sup> Bissoy MCQ Team Mechanical Engineering Hydraulics And Fluid Mechanics In ME