Q. In air prelieater for boiler heat is least transferred by

(A) Convection
(B) Conduction, convection and radiation.
(C) Conduction and convection
(D) 60 cm

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✅ Correct Answer: (A) Convection

Published by Mr. Dubey ⭐ 111.54K Points at 20-Sep-2023 12:29 pm in Heat Transfer

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