Polymer Technology Hot drink (e.g, tea) cups are usually made of Polythene Polystyrene Polypropylene PVC Polythene Polystyrene Polypropylene PVC ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology A copolymer is formed by the combination of two or more monomer molecules None of these Of the same monomer by elimination of small molecules of water With the elimination of small amount of water In a chain without the elimination of water None of these Of the same monomer by elimination of small molecules of water With the elimination of small amount of water In a chain without the elimination of water ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Condensation of bisphenol A with phosgene produces __________ which possess very good heat resistance. Polycarbonate Polyester Polyurathane Polysulphone Polycarbonate Polyester Polyurathane Polysulphone ANSWER DOWNLOAD EXAMIANS APP
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 Cross linked polystyrene Polyesters Phenol formaldehyde resins Polyamides Cross linked polystyrene Polyesters Phenol formaldehyde resins Polyamides ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology A chain growth polymerisation reaction consists of three different types of reaction namely initiation reaction, propagation reaction & termination reaction. Chain growth polymerisation reaction is not involved in the manufacture of Urea-formaldehyde resins Siloxane elastomers Polyamides Vinyl polymers Urea-formaldehyde resins Siloxane elastomers Polyamides Vinyl polymers ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Out of all the elastomers, natural rubber has the longest elongation range & flexibility of the order of __________ percent. 1000-1500 1-1000 1500-2000 2000-2500 1000-1500 1-1000 1500-2000 2000-2500 ANSWER DOWNLOAD EXAMIANS APP