Polymer Technology In step growth polymerisation, generally only one type of reaction & some basic mechanism is involved. Step growth polymerisation reaction is not involved in the manufacture of Polyamides Polyesters Phenol formaldehyde resins Cross linked polystyrene Polyamides Polyesters Phenol formaldehyde resins Cross linked polystyrene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is a copolymer? Polythene Teflon PVC Bakelite Polythene Teflon PVC Bakelite ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Flexible plastic pipes are made of Unsaturated polyester Polypropylene Low density polyethylene (LDPE) High density polyethylene (HDPE) Unsaturated polyester Polypropylene Low density polyethylene (LDPE) High density polyethylene (HDPE) ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Molecular weights of plastics ranges from 5000 to 1000 20000 to 25000 1000 to 5000 10⁹ to l0¹¹ 5000 to 1000 20000 to 25000 1000 to 5000 10⁹ to l0¹¹ ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Dacron is a None of these Thermosetting material Condensation polymerisation product of hexamethylene diamine and adipic acid Condensation polymerisation product of dimethyl terephthalate (DMT) and ethylene glycol None of these Thermosetting material Condensation polymerisation product of hexamethylene diamine and adipic acid Condensation polymerisation product of dimethyl terephthalate (DMT) and ethylene glycol ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Scouring is a finishing operation during the manufacture of fibre, which aims at __________ of fibres. Detergent solution washing Glycol soaking Improving the stretchability Dyeing/colouring Detergent solution washing Glycol soaking Improving the stretchability Dyeing/colouring ANSWER DOWNLOAD EXAMIANS APP
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