Polymer Technology Polycondensation reaction of polymerisation Produces only thermoplastic material Does not produce linear polymers Produces epoxy polymers Does not need any catalyst Produces only thermoplastic material Does not produce linear polymers Produces epoxy polymers Does not need any catalyst ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition of stabiliser during PVC manufacture is done to Prevent its thermal degradation Improve its impact strength Improve its elasticity Reduce the melt viscosity & glass transition temperature Prevent its thermal degradation Improve its impact strength Improve its elasticity Reduce the melt viscosity & glass transition temperature ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a condensation polymer? Bakelite Polymethylmethacrylate (PMMA) Melamine polymer None of these Bakelite Polymethylmethacrylate (PMMA) Melamine polymer None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following natural bio polymers are formed as a result of polymerisation of amino-acids? Cellulose Starch Proteins Nucleic acids Cellulose Starch Proteins Nucleic acids ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The main use of butadiene is As an anti-skimming agent in paint None of these As a plasticiser for unsaturated polyester In the manufacture of synthetic rubber As an anti-skimming agent in paint None of these As a plasticiser for unsaturated polyester In the manufacture of synthetic rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The major constituent of laminate of safety glass, which holds the broken glass, pieces in their places during accident (and thus minimises the danger from flying glass fragments) is Polyvinyl acetale Polyvinyl alcohol Polyvinyl butyral PVC Polyvinyl acetale Polyvinyl alcohol Polyvinyl butyral PVC ANSWER DOWNLOAD EXAMIANS APP