Polymer Technology Plastic articles are normally produced by __________ moulding. Dry sand Green sand Shell Injection Dry sand Green sand Shell Injection ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Low pressure Zeigler process of polythene manufacture Achieves an yield of 95-98% based on ethylene Does not use any catalyst for polymerisation Produces very low density polythene Employs a pressure of 30 kgf/cm² Achieves an yield of 95-98% based on ethylene Does not use any catalyst for polymerisation Produces very low density polythene Employs a pressure of 30 kgf/cm² ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Automobile steering wheels are normally made of High density polythene PVC Cellulose acetate Cellulose nitrate High density polythene PVC Cellulose acetate Cellulose nitrate ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Softening point of high density polythene is about __________ °C. 165 85 135 205 165 85 135 205 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 Terylene PVC Polybutadiene Polypropylene Terylene PVC Polybutadiene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermosplastic materials None of these Are heavily branched molecules Do not soften on application of heat Are solvent insoluble None of these Are heavily branched molecules Do not soften on application of heat Are solvent insoluble ANSWER DOWNLOAD EXAMIANS APP
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