Polymer Technology Thermosetting resins/polymers as compared to thermoplastic ones are Easily reshaped & reused More brittle Soluble in all organic solvents Formed by addition polymerisation only Easily reshaped & reused More brittle Soluble in all organic solvents Formed by addition polymerisation only ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Melamine formaldehyde resin which has a very high anti tacking properties, is not used for the Tanning of leather Strengthening of plaster of paris Decorative laminates Electrical insulation purpose Tanning of leather Strengthening of plaster of paris Decorative laminates Electrical insulation purpose ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following natural bio polymers are formed as a result of polymerisation of amino-acids? Proteins Starch Cellulose Nucleic acids Proteins Starch Cellulose Nucleic acids ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In step growth polymerisation, condensation occurs in a stepwise manner with or without the elimination of smaller molecules. An example of step growth polymerisation product is Polybutadiene Terylene PVC Polypropylene Polybutadiene Terylene PVC Polypropylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a polyolefin? None of these Polypropylene Polystyrene Neoprene None of these Polypropylene Polystyrene Neoprene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Fillers such as zinc oxide and carbon black are added to the crude natural rubber before vulcanisation in order to improve its Weathering characteristics Elasticity Plasticity Strength Weathering characteristics Elasticity Plasticity Strength ANSWER DOWNLOAD EXAMIANS APP
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