Polymer Technology Molecular weight of a polymer is equal to the molecular weight of the repeat unit multiplied by the degree of polymerisation. What is the molecular weight of poly vinyl chloride (PVC), if its degree of polymerisation is 800? 51600 49200 50000 50800 51600 49200 50000 50800 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Diphenylamine is added to rubber to Make it thermosetting Protect it from deterioration on exposure to air Valcanise it Make it non-inflammable Make it thermosetting Protect it from deterioration on exposure to air Valcanise it Make it non-inflammable ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Molecular weights of plastics ranges from 5000 to 1000 1000 to 5000 20000 to 25000 10⁹ to l0¹¹ 5000 to 1000 1000 to 5000 20000 to 25000 10⁹ to l0¹¹ ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their Molecular sizes Polymerisation mechanism Magnitude of intermolecular forces Resistance to heat Molecular sizes Polymerisation mechanism Magnitude of intermolecular forces Resistance to heat ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is a homopolymer. Neoprene Bakelite Terylene Nylon-66 Neoprene Bakelite Terylene Nylon-66 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Most of the fibre forming polymers are crystalline in nature, one of the exceptions being __________ which is amorphous in nature. Polyacrylonitrile Polyester Nylon Polypropylene Polyacrylonitrile Polyester Nylon Polypropylene ANSWER DOWNLOAD EXAMIANS APP
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