HomeEngineeringViscosity index improver (like polystrene or polyisobutylene) is added to lubricant to 5433. Viscosity index improver (like polystrene or polyisobutylene) is added to lubricant toBy Admin / September 7, 2025 Reduce its viscosity Increase its viscosity Reduce the variation in its viscosity with temperature Increase the variation in its viscosity with temperature ✅ 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