Polymer Technology Molecular weights of plastics ranges from 10⁹ to l0¹¹ 5000 to 1000 20000 to 25000 1000 to 5000 10⁹ to l0¹¹ 5000 to 1000 20000 to 25000 1000 to 5000 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The synthetic fibres produced from __________ are known as rayon. Cellulose Ethylene glycol Polyamides Lignin Cellulose Ethylene glycol Polyamides Lignin ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is the most important rubber compounding ingradient which is used to improve wearing qualities of both natural rubber & SBR by imparting toughness? Carbon black Rosin Pine oil Phosphorous Carbon black Rosin Pine oil Phosphorous ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cellulose acetate has very high film permeability among all the polymers of the order of 5000 gm/100 m². Which of the following polymers has the maximum film elongation (of the order of 100%) ? Water impermeable cellophane Cellulose acetate Teflon Polythene Water impermeable cellophane Cellulose acetate Teflon Polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Dacron is a/an Polyester Polyamide Unsaturated polyester Inorganic polymer Polyester Polyamide Unsaturated polyester Inorganic polymer ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition of plasticisers to polymers results in partial neutralisation of intermolecular forces of attraction between the macro-molecules thereby increasing its Chemical resistance Flexibility All of these Tensile strength Chemical resistance Flexibility All of these Tensile strength ANSWER DOWNLOAD EXAMIANS APP
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