The value of y = cₚ/cᵥ. at < 500°C for air & most common gases can be safely assumed to be

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The value of y = cₚ/cᵥ. at < 500°C for air & most common gases can be safely assumed to be Answer: 1.4

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.