Polymer Technology Cellulose content in bomboo fibre is about __________ percent. 10 50 85 20 10 50 85 20 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%) ? Cellulose acetate Teflon Polythene Water impermeable cellophane Cellulose acetate Teflon Polythene Water impermeable cellophane ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In case of dry spinning of polymers, the polymer solution in a volatile solvent is forced through the spinnerates into a warm air chamber, where the solvent evaporates leaving behind the polymer in the filament form. Dry spinning is used for __________ fibres. Rayon PVC Polyvinyl acetate Polythene Rayon PVC Polyvinyl acetate Polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Low density polythene as compared to high density polythene is Tougher Chemically inert Harder More flexible Tougher Chemically inert Harder More flexible ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Elastomers are Thermosetting material Exemplified by protein derivatives Having very high tensile strength and heat resistance Having high flexural strength Thermosetting material Exemplified by protein derivatives Having very high tensile strength and heat resistance Having high flexural strength ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Nylon-66 compared to nylon-6 has All of these Lower melting point Higher hardness More abrasion resistant properties All of these Lower melting point Higher hardness More abrasion resistant properties ANSWER DOWNLOAD EXAMIANS APP
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