Polymer Technology Addition of stabiliser during PVC manufacture is done to Improve its impact strength Reduce the melt viscosity & glass transition temperature Improve its elasticity Prevent its thermal degradation Improve its impact strength Reduce the melt viscosity & glass transition temperature Improve its elasticity Prevent its thermal degradation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Identify the group in which all the polymers mentioned can be used to make fibres. Polypropylene, Poly vinyl chloride, Silicon Cellulose derivatives, Polyisoprene, Polyethylene Cellulose derivatives, Polyamides, Polyurathane Butadiene copolymers, Polyamides, Urea aldehyde Polypropylene, Poly vinyl chloride, Silicon Cellulose derivatives, Polyisoprene, Polyethylene Cellulose derivatives, Polyamides, Polyurathane Butadiene copolymers, Polyamides, Urea aldehyde ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Condensation polymerisation is not involved in the manufacture of Polythene Teflon Nylon Terylene Polythene Teflon Nylon Terylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following rubbers has the widest service temperature range (-75 to 275°C) ? Butyl rubber Silicon rubber Silicone rubber Nitrile rubber Butyl rubber Silicon rubber Silicone rubber Nitrile rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In step growth polymerisation, condensation occurs in a stepwise manner with or without the elimination of smaller molecules. An example of step growth polymerisation product is Polypropylene PVC Terylene Polybutadiene Polypropylene PVC Terylene Polybutadiene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Orion is A condensation polymer All of these A copolymer Obtained by polymerising vinyl cyanide A condensation polymer All of these A copolymer Obtained by polymerising vinyl cyanide ANSWER DOWNLOAD EXAMIANS APP
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