Polymer Technology Addition of stabiliser during PVC manufacture is done to Reduce the melt viscosity & glass transition temperature Prevent its thermal degradation Improve its impact strength Improve its elasticity Reduce the melt viscosity & glass transition temperature Prevent its thermal degradation Improve its impact strength Improve its elasticity ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is a copolymer? PVC Bakelite Polythene Teflon PVC Bakelite Polythene Teflon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Most of the fibre forming polymers are crystalline in nature, one of the exceptions being __________ which is amorphous in nature. Polypropylene Polyester Polyacrylonitrile Nylon Polypropylene Polyester Polyacrylonitrile Nylon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Perspex can be used as a substitute of glass. Its monomer is Butadiene Tetrafluroethylene Methyl methacrylate DMT Butadiene Tetrafluroethylene Methyl methacrylate DMT ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a natural fibre? Viscose rayon Silk Wool Cotton Viscose rayon Silk Wool Cotton ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Elastomers are Having high flexural strength Having very high tensile strength and heat resistance Exemplified by protein derivatives Thermosetting material Having high flexural strength Having very high tensile strength and heat resistance Exemplified by protein derivatives Thermosetting material ANSWER DOWNLOAD EXAMIANS APP