Polymer Technology Visco-elastic behaviour exhibited by plastics is a __________ like behaviour. Liquid Solid Neither solid nor liquid Combination of solid & liquid Liquid Solid Neither solid nor liquid Combination of solid & liquid 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 Polyamides Siloxane elastomers Vinyl polymers Urea-formaldehyde resins Polyamides Siloxane elastomers Vinyl polymers ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Melt spinning of polymers involves the forcing of polymer melt through spinnerettes (fine holes) into an atmosphere kept at a temperature lower than the melting point of the polymer, which causes the fine diameter polymer melt to harden into filaments. Melt spinning is not used in case of the __________ fibres. Nylon 6:6 Acrylic Polyester Polypropylene Nylon 6:6 Acrylic Polyester Polypropylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is an addition polymer None of these Nylon Polythene Bakelite None of these Nylon Polythene Bakelite ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology SBR is produced by the copolymerisation of butadiene & styrene by employing emulsion polymerisation. The weight ratio of styrene and butadiene is maintained at 1:3 2:1 3:1 1:2 1:3 2:1 3:1 1:2 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following has the weakest intermolecular forces? Polystyrene Bakelite Polyisoprene Nylon-66 Polystyrene Bakelite Polyisoprene Nylon-66 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS