Polymer Technology Which of the following is generally not drawn into fibre? Polyacrylonitrile Saturated polyesters Polyamide Unsaturated polyesters Polyacrylonitrile Saturated polyesters Polyamide Unsaturated polyesters ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their Molecular sizes Resistance to heat Magnitude of intermolecular forces Polymerisation mechanism Molecular sizes Resistance to heat Magnitude of intermolecular forces Polymerisation mechanism ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Non sulphonated hard bakelites are not used for making Formica table tops Ion-exchange resins Combs Fountain pen barrels Formica table tops Ion-exchange resins Combs Fountain pen barrels ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymers are Sub-micromolecules None of these Micromolecules Macromolecules Sub-micromolecules None of these Micromolecules Macromolecules ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is normally used for the manufacture of refrigerator components and transistor parts. Polyester Polystyrene Polyproylene Polyurathene Polyester Polystyrene Polyproylene Polyurathene 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. Acrylic Nylon 6:6 Polyester Polypropylene Acrylic Nylon 6:6 Polyester Polypropylene ANSWER DOWNLOAD EXAMIANS APP
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