HomeEngineeringA screw is said to be a self locking screw, if its efficiency is 12183. A screw is said to be a self locking screw, if its efficiency isBy Admin / September 13, 2025 less than 50 % more than 50% equal to 50% none of these ✅ 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