When the head of a centrifugal pump is doubled, by what factor does the power requirement increase?

Chemical Engineering Basics MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

PPSCFPSCNTSPakistan govt jobs
Subject
Chemical Engineering Basicschemical-engineering › chemical-engineering-basics
Published
11 Feb 2019
Last updated
28 May 2026

Browse all Chemical Engineering Basics MCQs

Choose the correct answer

Explanation

The power required by a centrifugal pump varies with the cube of the head. Therefore, if the head is doubled, the power increases by a factor of 2³.

PakQuizHub — free MCQs and past papers for Pakistan government job tests. Content is for educational practice only.