Why is the crown of the firebox designed with a hemispherical shape?

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

PPSCFPSCNTSPakistan govt jobs
Subject
Mechanical Engineering Mcqsmechanical-engineering-mcqs
Published
29 Jan 2019
Last updated
28 May 2026

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Explanation

The hemispherical shape of the firebox crown is primarily intended to resist the extreme heat generated inside the firebox, ensuring durability under intense thermal conditions.

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