The critical thickness of insulation for a sphere is - Heat Transfer, Refrigeration and Air Conditioning Quiz

Mechanical Engineering : Heat Transfer, Refrigeration and Air Conditioning - Quiz(MCQ)

The critical thickness of insulation for a sphere is

hâ‚€/k

hâ‚€/2k

k/hâ‚€

2k/hâ‚€

Correct Answer : Option (D) : 2k/hâ‚€

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