# Extended heat transfer surface like fins are used to increase the heat transfer rate. Fin efficiency is defined as the ratio of heat transferred across the fin surface to the theoretical heat transfer across an equal area held at the _____ ? with Answer - Chemical Engineering Mcqs | TestPrep

> Solved MCQ: Extended heat transfer surface like fins are used to increase the heat transfer rate. Fin efficiency is defined as the ratio of heat transferred across the fin surface to the theoretical heat transfer across an equal area held at the _____ ? Correct Answer: D. Constant temperature equal to that of the base. Verified answer explanation for FPSC, PPSC, MDCAT, NTS, and CSS competitive exam preparation.

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# Extended heat transfer surface like fins are used to increase the heat transfer rate. Fin efficiency is defined as the ratio of heat transferred across the fin surface to the theoretical heat transfer across an equal area held at the _____ ?

Direct Answer & Quick Reference

The correct option is **D. Constant temperature equal to that of the base**.

A. Surrounding temperature

B. Average temperature of the fin

C. Temperature of the fin end

D. Constant temperature equal to that of the base **(Correct Answer)**

✨ Explain with AI

Verified Key: D. Constant temperature equal to that of the base
Solved by 4,399+ students

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

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