Polymer Technology Orlan fibre which is used as a wool sub stitute is Polyacrylonitrile An amorphous polymer A natural polymeric fibre Polymethylmethacrylate (PMMA) Polyacrylonitrile An amorphous polymer A natural polymeric fibre Polymethylmethacrylate (PMMA) ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is a thermosetting plastic. Bakelite PVC Polystyrene Polythene Bakelite PVC Polystyrene Polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following natural bio polymers are formed as a result of polymerisation of amino-acids? Proteins Nucleic acids Cellulose Starch Proteins Nucleic acids Cellulose Starch ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymethyl methacrylate (PMMA) which is also known as perspex and is produced by bulk polymerisation of methyl methacrylate is not a __________ polymer. Thermoplastic Thermosetting Linear Glass like transparent Thermoplastic Thermosetting Linear Glass like transparent ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition of stabiliser during PVC manufacture is done to Improve its elasticity Improve its impact strength Prevent its thermal degradation Reduce the melt viscosity & glass transition temperature Improve its elasticity Improve its impact strength Prevent its thermal degradation Reduce the melt viscosity & glass transition temperature ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Molecular weights of plastics ranges from 20000 to 25000 5000 to 1000 1000 to 5000 10⁹ to l0¹¹ 20000 to 25000 5000 to 1000 1000 to 5000 10⁹ to l0¹¹ ANSWER DOWNLOAD EXAMIANS APP