Polymer Technology Size range of polymer molecules varies from __________ metre. 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 10⁻² to 10⁻⁵ 10⁻¹ to 10⁻² 10⁻⁴ to 10⁻⁷ ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermocole (expanded polystyrene) is not used for Low temperature thermal insulation as in refrigerator and air conditioners Accoustic control and ceiling for building Packing of delicate electronic gadgets High temperature thermal insulation in furnaces Low temperature thermal insulation as in refrigerator and air conditioners Accoustic control and ceiling for building Packing of delicate electronic gadgets High temperature thermal insulation in furnaces ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Bristles of tooth brushes are made of Nylon-66 Polystyrene PVC Nylon-6 Nylon-66 Polystyrene PVC Nylon-6 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polystyrene is a __________ plastic at room temperature. Ductile Brittle None of these Malleable Ductile Brittle None of these Malleable ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Pickout the wrong statement. Polymers made of more than one monomer is called copolymer or mixed polymer Polymers made of only one monomer is called homopolymer The intermoleculer forces in ther-mosplastic polymers are intermediate to that of elastomers & fibres Vulcanised rubber is more elastic than natural rubber Polymers made of more than one monomer is called copolymer or mixed polymer Polymers made of only one monomer is called homopolymer The intermoleculer forces in ther-mosplastic polymers are intermediate to that of elastomers & fibres Vulcanised rubber is more elastic than natural rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Branched chain polymers compared to linear polymers have higher Tensile strength Degree of irregularity in atomic packing Density Melting point Tensile strength Degree of irregularity in atomic packing Density Melting point ANSWER DOWNLOAD EXAMIANS APP