Polymer Technology Density of low density polythene is about __________ gm/c.c. 0.91 0.56 0.81 0.38 0.91 0.56 0.81 0.38 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Properties of a polymer is affected by the Chain length Intermolecular forces All of these Branching & cross-linking Chain length Intermolecular forces All of these Branching & cross-linking ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polythene is a/an Condensation polymerisation product None of these Thermosetting material Addition polymerisation product Condensation polymerisation product None of these Thermosetting material Addition polymerisation product ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The inter particle forces between linear chains in nylon-66 are __________ bonds. Covalant Ionic None of these Hydrogen Covalant Ionic None of these Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyvinyl chloride (PVC) Can be made thermosetting by adding a plasticiser Softening temperature is 200°C Uses either emulsion or suspension polymerisation methods Is produced by polycondensation reaction Can be made thermosetting by adding a plasticiser Softening temperature is 200°C Uses either emulsion or suspension polymerisation methods Is produced by polycondensation reaction ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Dacron (or terylene) fibres as compared to nylon fibres have Poorer dyeability Poorer resistance to alkalis All of these Better heat & acid resistant properties Poorer dyeability Poorer resistance to alkalis All of these Better heat & acid resistant properties ANSWER DOWNLOAD EXAMIANS APP