Square steel key is normally strong in failure by shear & crushing. Keys are normally made of __________ steel bars.

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Square steel key is normally strong in failure by shear & crushing. Keys are normally made of __________ steel bars. Answer: Cold rolled mild

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.