HomeEngineeringIn an open pair, the two elements of a pair 14947. In an open pair, the two elements of a pairBy Admin / September 13, 2025 have a surface contact when in motion have a line or point contact when in motion are kept in contact by the action of external forces, when in motion are not held together ✅ 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