HomeEngineeringWindow panes of aeroplanes are normally made of 1207. Window panes of aeroplanes are normally made ofBy Admin / September 6, 2025 A. Perspex (PMMA) B. Teflon (PTFE) C. Bakelite (phenol formaldehyde) D. Polystyrene ✅ The correct answer is option A.
1. A fire tube boiler is limited to a maximum steam pressure of about __________ kg/cm². Leave a Comment / Basic Chemical Engineering MCQs, Chemical Engineering, Engineering / By Admin
2. Transformer cores are normally made from Leave a Comment / Basic Chemical Engineering MCQs, Chemical Engineering, Engineering / By Admin