1. Wire belts have an operating range of _______ a) 160 to 1416 oC b) 500 to 600 oC c) 156 to 800 oC d) 480 to 1000 oC AnswerAnswer: a [Reason:] They are mainly used at places where reactions are involved like heat treatment where temperature may vary from 160 to 1416 oC. 2….