Polymer Technology Density of low density polythene is about __________ gm/c.c. 0.81 0.56 0.38 0.91 0.81 0.56 0.38 0.91 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their Resistance to heat Polymerisation mechanism Magnitude of intermolecular forces Molecular sizes Resistance to heat Polymerisation mechanism Magnitude of intermolecular forces Molecular sizes ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Temperature maintained in the emulsion polymerisation reactor for PVC manufacture is about __________ ° C. 500 50 -20 250 500 50 -20 250 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Size range of polymer molecules varies from __________ metre. 10⁻² to 10⁻⁵ 10⁻¹ to 10⁻² 10⁻⁸ to 10⁻¹⁰ 10⁻⁴ to 10⁻⁷ 10⁻² to 10⁻⁵ 10⁻¹ to 10⁻² 10⁻⁸ to 10⁻¹⁰ 10⁻⁴ to 10⁻⁷ ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Flexible foam (for mattresses) are usually made of Polyurethanes Polyamides PVC Silicone rubber Polyurethanes Polyamides PVC Silicone rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Rexin (also called artificial leather), which is used for making table cover, automobile seat cover, shoes etc. is made by coating thick cloth with molten SBR Teflon Bakelite PVC SBR Teflon Bakelite PVC ANSWER DOWNLOAD EXAMIANS APP