Polymer Technology Main constituent of cotton fibre is Lignin Starch Gelatine Cellulose Lignin Starch Gelatine Cellulose ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Properties of a polymer is affected by the Intermolecular forces Chain length All of these Branching & cross-linking Intermolecular forces Chain length All of these Branching & cross-linking ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Dacron (or terylene) fibres as compared to nylon fibres have All of these Poorer resistance to alkalis Poorer dyeability Better heat & acid resistant properties All of these Poorer resistance to alkalis Poorer dyeability Better heat & acid resistant properties ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Diphenylamine is added to rubber to Make it non-inflammable Valcanise it Protect it from deterioration on exposure to air Make it thermosetting Make it non-inflammable Valcanise it Protect it from deterioration on exposure to air Make it thermosetting ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cross linked polymers formed from bi-and trifuctional groups in which cross-linkage in three dimensions via few chemical bonding across linear chains occur imparts to the polymer __________ properties. Brittleness Thermosetting Thermoplastic Elastometric Brittleness Thermosetting Thermoplastic Elastometric ANSWER DOWNLOAD EXAMIANS APP
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? 50000 50800 49200 51600 50000 50800 49200 51600 ANSWER DOWNLOAD EXAMIANS APP
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