Polymer Technology Polyvinyl chloride (PVC) 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 Can be made thermosetting by adding a plasticiser Softening temperature is 200°C Uses either emulsion or suspension polymerisation methods ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Melt spinning of polymers involves the forcing of polymer melt through spinnerettes (fine holes) into an atmosphere kept at a temperature lower than the melting point of the polymer, which causes the fine diameter polymer melt to harden into filaments. Melt spinning is not used in case of the __________ fibres. Polypropylene Polyester Acrylic Nylon 6:6 Polypropylene Polyester Acrylic Nylon 6:6 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Diphenylamine is added to rubber to Valcanise it Make it non-inflammable Protect it from deterioration on exposure to air Make it thermosetting Valcanise it Make it non-inflammable Protect it from deterioration on exposure to air Make it thermosetting ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is an addition polymer Bakelite Polythene None of these Nylon Bakelite Polythene None of these Nylon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Perspex can be used as a substitute of glass. Its monomer is Butadiene Methyl methacrylate DMT Tetrafluroethylene Butadiene Methyl methacrylate DMT Tetrafluroethylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Buna-S is a __________ material. Rubbery Fibrous Plastic Resinous Rubbery Fibrous Plastic Resinous ANSWER DOWNLOAD EXAMIANS APP
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