What does the spring index represent?

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

PPSCFPSCNTSPakistan govt jobs
Subject
Machine Designmechanical-engineering-mcqs › machine-design
Published
26 Jan 2019
Last updated
28 May 2026

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Explanation

The spring index is defined as the ratio of the coil diameter to the wire diameter. Other options describe different spring characteristics but do not define the spring index.

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