HomeEngineeringPolyesters are manufactured by the polycondensation reaction of 4964. Polyesters are manufactured by the polycondensation reaction ofBy Admin / September 7, 2025 dibasic acid with dihydric alcohol. a single monomer. carboxylic acid with ethylene. inorganic acid with ethylene glycol. ✅ 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