Q. A piece of metal with a circular hole is heated. If the metal expands on heating the diameter of the hole will

(A) Increase
(B) Decrease
(C) Increase or decrease depending upon the diameter of the whole
(D) Increase or decrease depending on the kind of the metal

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✅ Correct Answer: (A) Increase

Published by Mr. Dubey ⭐ 111.54K Points at 20-Sep-2023 12:31 pm in Heat Transfer

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