Chemical Engineering - Chemical Engineering Basics - Discussion

Discussion Forum : Chemical Engineering Basics - Section 22 (Q.No. 21)

Chemical Engineering Basics

21.

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.

2

5

10

20

Answer: Option

Explanation:

No answer description is available. Let's discuss.

Discussion:

2 comments Page 1 of 1.

RAMESH said: 7 years ago

Please explain the answer.

Shivam singh said: 5 years ago

Rc = insultion (k)/h = 1/5*100 = 2.

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