Polymer Technology Thermocole (expanded polystyrene) is not used for Accoustic control and ceiling for building Packing of delicate electronic gadgets Low temperature thermal insulation as in refrigerator and air conditioners High temperature thermal insulation in furnaces Accoustic control and ceiling for building Packing of delicate electronic gadgets Low temperature thermal insulation as in refrigerator and air conditioners High temperature thermal insulation in furnaces ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cellulose content in bomboo fibre is about __________ percent. 20 85 50 10 20 85 50 10 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymerisation of poly functional monomers produces polymers having Low viscosity Good machanical strength None of these Low melting point Low viscosity Good machanical strength None of these Low melting point ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Synthetic rubber Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Is softer at higher temperature Deforms, if stretched to double of its original dimension Is brittle at low temperature Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Is softer at higher temperature Deforms, if stretched to double of its original dimension Is brittle at low temperature ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermoplastic resins usually Remain hard as long as they are hot Can not be reclaimed from waste Less brittle than thermosetting resins Permanent setting resins Remain hard as long as they are hot Can not be reclaimed from waste Less brittle than thermosetting resins Permanent setting resins ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Low pressure Zeigler process of polythene manufacture Achieves an yield of 95-98% based on ethylene Produces very low density polythene Employs a pressure of 30 kgf/cm² Does not use any catalyst for polymerisation Achieves an yield of 95-98% based on ethylene Produces very low density polythene Employs a pressure of 30 kgf/cm² Does not use any catalyst for polymerisation ANSWER DOWNLOAD EXAMIANS APP