What is the critical thickness of insulation for hollow cylinder?

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

Right Answer: B. a thickness of insulation at which heat transfer rate from cylinder is maximum

January 24, 2018   Hassan Ali    Mechanical Engineering  
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