HomeEngineeringA closely coiled helical spring is of mean diameter (D) and spring wire diameter (d). The spring index is the ratio of 11461. A closely coiled helical spring is of mean diameter (D) and spring wire diameter (d). The spring index is the ratio ofBy Admin / September 8, 2025 1/d 1/D D/d d/D ✅ The correct answer is option C.
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