Polymer Technology A copolymer is formed by the combination of two or more monomer molecules None of these With the elimination of small amount of water In a chain without the elimination of water Of the same monomer by elimination of small molecules of water None of these With the elimination of small amount of water In a chain without the elimination of water Of the same monomer by elimination of small molecules of water 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 Polyamides Vinyl polymers Siloxane elastomers Urea-formaldehyde resins Polyamides Vinyl polymers Siloxane elastomers Urea-formaldehyde resins ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermocole is a spongy, porous, rigid or flexible foamed plastic, obtained by blowing gas/air through molten Polystyrene Either B or C Polyurathane Saturated polyester Polystyrene Either B or C Polyurathane Saturated polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Temperature maintained in the emulsion polymerisation reactor for PVC manufacture is about __________ ° C. 50 250 -20 500 50 250 -20 500 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Synthetic polymer produced by using terephthalic acid and ethylene glycol is Terylene Nylon-66 PVC Polyesterene Terylene Nylon-66 PVC Polyesterene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to Reduce the time of vulcanisation and quantity of vulcanising agent Protect rubber goods from attack by oxygen & ozone present in the atmosphere Reduce its viscosity to permit easier processing Increase its viscosity Reduce the time of vulcanisation and quantity of vulcanising agent Protect rubber goods from attack by oxygen & ozone present in the atmosphere Reduce its viscosity to permit easier processing Increase its viscosity ANSWER DOWNLOAD EXAMIANS APP
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