Multiple choice question for engineering Set 1 1. Modifying properties of PVC is called: a) Reformation b) Recasting c) Compounding d) Curing [learn_more caption=”View Answer”]Answer: c [Reason:] Properties of PVC resins can be altered by adding certain additives to it. This process is called compounding. It is thus possible to attain rigid PVC products.[/learn_more] 2….