HomeEngineeringThe angle of intersection of the two plane mirrors of an optical square is______________? 2568. The angle of intersection of the two plane mirrors of an optical square is______________?By Admin / September 7, 2025 A. 30° B. 45° C. 60° D. 90° ✅ The correct answer is option B.
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