# A nuclear unit becoming critical means _____ ? with Answer - Mechanical Engineering Mcqs | TestPrep

> Solved MCQ: A nuclear unit becoming critical means _____ ? Correct Answer: D. chain reaction that causes automatic splitting of the fuel nuclei has been established. Verified answer explanation for FPSC, PPSC, MDCAT, NTS, and CSS competitive exam preparation.

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# A nuclear unit becoming critical means _____ ?

Direct Answer & Quick Reference

The correct option is **D. chain reaction that causes automatic splitting of the fuel nuclei has been established**.

A. it is generating power to rated capacity

B. it is capable of generating much more than rated capacity

C. there is danger of nuclear spread

D. chain reaction that causes automatic splitting of the fuel nuclei has been established **(Correct Answer)**

E. it generates no heat

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Verified Key: D. chain reaction that causes automatic splitting of the fuel nuclei has been established
Solved by 5,432+ students

Verified against official examination board answer keys and standard curriculum textbooks.

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