What are the pressure and temperature conditions above which a boiler is classified as supercritical?

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

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Mechanical Engineering Mcqsmechanical-engineering-mcqs
Published
30 Jan 2019
Last updated
28 May 2026

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Explanation

A supercritical boiler functions at pressures and temperatures exceeding the critical point of water, which is 218 kg/cm² absolute pressure and 373°C temperature. Operating beyond these values means the boiler no longer has distinct liquid and vapor phases.

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