Polymer Technology Polymerisation process in which two or more monomers of chemically different nature take part is called Chain polymerisation Copolymerisation Addition polymerisation None of these Chain polymerisation Copolymerisation Addition polymerisation None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a thermoplastic material? Epoxy polymer Polystyrene PVC Polythene Epoxy polymer Polystyrene PVC Polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Scouring is a finishing operation during the manufacture of fibre, which aims at __________ of fibres. Dyeing/colouring Glycol soaking Improving the stretchability Detergent solution washing Dyeing/colouring Glycol soaking Improving the stretchability Detergent solution washing 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 Tensile strength Hardness, rigidity & brittleness Melting point Densities Tensile strength Hardness, rigidity & brittleness Melting point Densities ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Condensation polymerisation of caprolac-tum is carried out in the reactor maintained at a temperature of __________ °C for producing nylon-6. 50 to 75 250-280 -20 to 25 100 to 150 50 to 75 250-280 -20 to 25 100 to 150 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is stretched into fibres? Saturated polyester Bakelite Isoprene Unsaturated polyester Saturated polyester Bakelite Isoprene Unsaturated polyester ANSWER DOWNLOAD EXAMIANS APP
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