What is the standard unit of time according to the International System of Units (SI)?

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

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Subject
Thermodynamicsmechanical-engineering-mcqs › thermodynamics
Published
26 Jan 2019
Last updated
28 May 2026

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Explanation

The second is the base unit of time in the International System of Units (SI). Minutes, hours, days, and years are larger units derived from the second.

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