Polymer Technology The physical state in which polymers exist is Amorphous glassy state Melts & rubber like state All of these Partially crystalline state Amorphous glassy state Melts & rubber like state All of these Partially crystalline state ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyvinyl chloride (PVC) Softening temperature is 200°C Can be made thermosetting by adding a plasticiser Uses either emulsion or suspension polymerisation methods Is produced by polycondensation reaction Softening temperature is 200°C Can be made thermosetting by adding a plasticiser Uses either emulsion or suspension polymerisation methods Is produced by polycondensation reaction ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Alkyd resin can not be used for making Paint & varnish Fibres Film forming materials Plasticiser Paint & varnish Fibres Film forming materials Plasticiser ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Size range of polymer molecules varies from __________ metre. 10⁻² to 10⁻⁵ 10⁻¹ to 10⁻² 10⁻⁴ to 10⁻⁷ 10⁻⁸ to 10⁻¹⁰ 10⁻² to 10⁻⁵ 10⁻¹ to 10⁻² 10⁻⁴ to 10⁻⁷ 10⁻⁸ to 10⁻¹⁰ ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Fillers such as zinc oxide and carbon black are added to the crude natural rubber before vulcanisation in order to improve its Strength Plasticity Elasticity Weathering characteristics Strength Plasticity Elasticity Weathering characteristics ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Transistor parts and refrigerator components are normally made of Polyester High density polythene Polyurathane Polystyrene Polyester High density polythene Polyurathane Polystyrene ANSWER DOWNLOAD EXAMIANS APP