Polymer Technology Orion is Obtained by polymerising vinyl cyanide A condensation polymer A copolymer All of these Obtained by polymerising vinyl cyanide A condensation polymer A copolymer All of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Trade name of __________ is neoprene. Polychloroprene Polyisoprene Poly vinyl acetate Polytetraflouroethylene Polychloroprene Polyisoprene Poly vinyl acetate Polytetraflouroethylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Melt spinning of polymers involves the forcing of polymer melt through spinnerettes (fine holes) into an atmosphere kept at a temperature lower than the melting point of the polymer, which causes the fine diameter polymer melt to harden into filaments. Melt spinning is not used in case of the __________ fibres. Polyester Acrylic Nylon 6:6 Polypropylene Polyester Acrylic Nylon 6:6 Polypropylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their Polymerisation mechanism Resistance to heat Molecular sizes Magnitude of intermolecular forces Polymerisation mechanism Resistance to heat Molecular sizes Magnitude of intermolecular forces 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 Polythene Water impermeable cellophane Teflon Cellulose acetate Polythene Water impermeable cellophane Teflon 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 Polypropylene PVC Terylene Polybutadiene Polypropylene PVC Terylene Polybutadiene ANSWER DOWNLOAD EXAMIANS APP
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