For a sustained chain reaction that maintains a steady heat output, what must be the ratio of neutrons produced in one generation compared to the previous generation?

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

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Subject
Nuclear Power Plantsmechanical-engineering-mcqs › nuclear-power-plants
Published
23 Jan 2019
Last updated
28 May 2026

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Explanation

To sustain a constant chain reaction and steady heat generation, the neutron multiplication factor must be exactly 1.0. This means the number of neutrons in each generation remains the same as in the preceding one, ensuring a stable reaction rate.

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