HomeEngineeringMain alloying element in Elinvar used in precision instruments, hair springs for watches etc. is 529. Main alloying element in Elinvar used in precision instruments, hair springs for watches etc. isBy Admin / September 6, 2025 A. Chromium B. Nickel C. Zinc D. Aluminium ✅ 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