Polymer Technology Vinyl flooring is done using __________ sheets. Polyvinyl acetate Polythene PVC Polypropylene Polyvinyl acetate Polythene PVC Polypropylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In a cross linked polymer, the monomeric units are linked together to constitute a three dimensional network. Which of the following is a cross-linked polymer? Bakelite (phenol formaldehyde) Polythene Nylon-6 Polyester Bakelite (phenol formaldehyde) Polythene Nylon-6 Polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plastic articles are normally produced by __________ moulding. Shell Injection Dry sand Green sand Shell Injection Dry sand Green sand ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polycaprolactum (Nylon - 6) is produced by the condensation polymerisation of caprolactum at 240-280°C in which the conversion of caprolactum is about __________ percent. 75 99 50 90 75 99 50 90 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is stretched into fibres? Unsaturated polyester Isoprene Bakelite Saturated polyester Unsaturated polyester Isoprene Bakelite Saturated polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In a linear polymer, the monomeric units are linked together to form long straight chains. The cross linked or branched chain polymers compared to linear polymers have higher Hardness, rigidity & brittleness Tensile strength Melting point Densities Hardness, rigidity & brittleness Tensile strength Melting point Densities ANSWER DOWNLOAD EXAMIANS APP