Polymer Technology Which of the following natural bio polymers are formed as a result of polymerisation of amino-acids? Nucleic acids Proteins Starch Cellulose Nucleic acids Proteins Starch Cellulose ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Natural rubber is obtained from latex, which is a colloidal dispersion of rubber in water. Which of the following is used as a coagulant in latex? Both A & B Neither A nor B Ammonium alum Potassium alum Both A & B Neither A nor B Ammonium alum Potassium alum ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cellulose content in bomboo fibre is about __________ percent. 85 10 50 20 85 10 50 20 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is a copolymer? Bakelite Teflon PVC Polythene Bakelite Teflon PVC Polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Low pressure Zeigler process of polythene manufacture Employs a pressure of 30 kgf/cm² Achieves an yield of 95-98% based on ethylene Produces very low density polythene Does not use any catalyst for polymerisation Employs a pressure of 30 kgf/cm² Achieves an yield of 95-98% based on ethylene Produces very low density polythene Does not use any catalyst for polymerisation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Tubeless tyres are made of __________ rubber, which is a co-polymer of isoprene & isobutylene. Nitrile Neoprene Butyl Silicone Nitrile Neoprene Butyl Silicone ANSWER DOWNLOAD EXAMIANS APP
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