HomeEngineeringWhen the elements of a pair are kept in contact by the action of external forces, the pair is said to be a 11549. When the elements of a pair are kept in contact by the action of external forces, the pair is said to be aBy Admin / September 8, 2025 lower pair higher pair self-closed pair force-closed pair ✅ The correct answer is option D.
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