Transition from laminar to turbulent zone in free convection heat transfer is governed by the critical value of

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Transition from laminar to turbulent zone in free convection heat transfer is governed by the critical value of Answer: Grashoff number & Reynolds number.

Question context

This question is part of ⚗️ Chemical Engineering within the broader 🛠️ Engineering Essentials subject and appears in the DemoPaper-Pakistan preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.