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This question belongs to Chemical Engineering Chemical Engineering Basics

Chemical Engineering Basics

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What is the critical radius of insulation (cms) for a metallic cylinder, if the convective heat transfer co-efficient with the ambient atmosphere is 5 W/m².°K? Thermal conductivity of metal and insulation material are 40 and 0.1 W/m.°K respectively.

A) 2 B) 5 C) 10 D) 20

Answer & Solution

Correct Answer: Option A

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