Q. The concept of overall coefficient of heat transfer is used in case of heat transfer by

(A) conduction
(B) convection
(C) radiation
(D) conduction and convection

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✅ Correct Answer: (D) conduction and convection

Published by Mr. Dubey ⭐ 111.54K Points at 20-Sep-2023 12:23 pm in Heat Transfer

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