Polymer Technology The synthetic fibres produced from __________ are known as rayon. Polyamides Lignin Ethylene glycol Cellulose Polyamides Lignin Ethylene glycol Cellulose ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ polymer is used for making unbreakable crockery. Addition Thermoplastic Melamine None of these Addition Thermoplastic Melamine None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ polymer is produced by the copolymerisation of vinyl chloride-vinyl acetate. Rubbery Leathery Hard Fibrous Rubbery Leathery Hard Fibrous ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Density of low density polythene is about __________ gm/c.c. 0.81 0.91 0.38 0.56 0.81 0.91 0.38 0.56 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymerisation process in which two or more monomers of chemically different nature take part is called None of these Chain polymerisation Copolymerisation Addition polymerisation None of these Chain polymerisation Copolymerisation Addition polymerisation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to Protect rubber goods from attack by oxygen & ozone present in the atmosphere Increase its viscosity Reduce the time of vulcanisation and quantity of vulcanising agent Reduce its viscosity to permit easier processing Protect rubber goods from attack by oxygen & ozone present in the atmosphere Increase its viscosity Reduce the time of vulcanisation and quantity of vulcanising agent Reduce its viscosity to permit easier processing ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS