What is critical thickness of insulation for hollow cylinder? - Heat Transfer

Q.  What is the critical thickness of insulation for hollow cylinder?
- Published on 12 Aug 15

a. a thickness of insulation at which heat transfer rate from cylinder is minimum
b. a thickness of insulation at which heat transfer rate from cylinder is maximum
c. a thickness of insulation at which heat transfer from cylinder does not change with change in outside temperature
d. none of the above

ANSWER: a thickness of insulation at which heat transfer rate from cylinder is maximum

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