Polymer Technology Which of the following polymers belong to the class of formaldehyde resin? Melamine resins Teflon Dacron None of these Melamine resins Teflon Dacron None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Low pressure Zeigler process of polythene manufacture Does not use any catalyst for polymerisation Employs a pressure of 30 kgf/cm² Produces very low density polythene Achieves an yield of 95-98% based on ethylene Does not use any catalyst for polymerisation Employs a pressure of 30 kgf/cm² Produces very low density polythene Achieves an yield of 95-98% based on ethylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition of stabiliser during PVC manufacture is done to Reduce the melt viscosity & glass transition temperature Improve its impact strength Improve its elasticity Prevent its thermal degradation Reduce the melt viscosity & glass transition temperature Improve its impact strength Improve its elasticity Prevent its thermal degradation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Buna-S is also called Teflon SBR Bakelite Polyurathane Teflon SBR Bakelite Polyurathane ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Terylene is a/an None of these Addition polymer Homopolymer Poly amide None of these Addition polymer Homopolymer Poly amide ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology SBR is produced by the copolymerisation of butadiene & styrene by employing emulsion polymerisation. The weight ratio of styrene and butadiene is maintained at 2:1 1:2 3:1 1:3 2:1 1:2 3:1 1:3 ANSWER DOWNLOAD EXAMIANS APP
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