Polymer Technology Which of the following is not a condensation polymer? None of these Polymethylmethacrylate (PMMA) Melamine polymer Bakelite None of these Polymethylmethacrylate (PMMA) Melamine polymer Bakelite ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Liners of bags are usually made of Polythene PVC Polypropylene Polyesters Polythene PVC Polypropylene Polyesters ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a natural polymer? Polyisoprene Nucleic acids e.g. RNA and DNA Polysaccharides Polyurethane Polyisoprene Nucleic acids e.g. RNA and DNA Polysaccharides Polyurethane ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their Polymerisation mechanism Molecular sizes Resistance to heat Magnitude of intermolecular forces Polymerisation mechanism Molecular sizes Resistance to heat Magnitude of intermolecular forces ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Size range of polymer molecules varies from __________ metre. 10⁻¹ to 10⁻² 10⁻⁴ to 10⁻⁷ 10⁻⁸ to 10⁻¹⁰ 10⁻² to 10⁻⁵ 10⁻¹ to 10⁻² 10⁻⁴ to 10⁻⁷ 10⁻⁸ to 10⁻¹⁰ 10⁻² to 10⁻⁵ ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Tyres are made by Extrusion Compression moulding Injection moulding Rotational moulding Extrusion Compression moulding Injection moulding Rotational moulding ANSWER DOWNLOAD EXAMIANS APP
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