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What are the factors to be considered for designing a centrifugal pump?

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+1 vote
in Food Processing Unit Operations by (110k points)
What are the factors to be considered for designing a centrifugal pump?

(a) Capacity, Rotational speed only

(b) Rotational speed only

(c) Pump, Rotational speed only

(d) Capacity, rotational speed and pump

This question was posed to me during an online interview.

Enquiry is from Fluid Flow Applications in portion Fluid Flow Theory & Applications of Food Processing Unit Operations

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Correct answer is (d) Capacity, rotational speed and pump

To elaborate: Capacity, rotational speed and pump are the factors to be considered for designing a centrifugal pump. The capacity of the pump varies with its rotational speed, the pressure developed by pump varies as the square of the rotational speed and power required by pump varies as the cube of the rotational speed. These relationships are called as Fans Laws.

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