Polymer Technology The synthetic fibres produced from __________ are known as rayon. Lignin Cellulose Ethylene glycol Polyamides Lignin Cellulose Ethylene glycol Polyamides ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a thermoplastic material? Polythene PVC Polystyrene Epoxy polymer Polythene PVC Polystyrene Epoxy polymer ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following natural bio polymers are formed as a result of polymerisation of amino-acids? Proteins Cellulose Starch Nucleic acids Proteins Cellulose Starch Nucleic acids ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Terylene is a/an Poly amide Homopolymer None of these Addition polymer Poly amide Homopolymer None of these Addition polymer 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 Increase its viscosity Reduce its viscosity to permit easier processing Reduce the time of vulcanisation and quantity of vulcanising agent Protect rubber goods from attack by oxygen & ozone present in the atmosphere Increase its viscosity Reduce its viscosity to permit easier processing ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology A copolymer is formed by the combination of two or more monomer molecules With the elimination of small amount of water None of these In a chain without the elimination of water Of the same monomer by elimination of small molecules of water With the elimination of small amount of water None of these In a chain without the elimination of water Of the same monomer by elimination of small molecules of water ANSWER DOWNLOAD EXAMIANS APP