Polymer Technology Neoprene is rendered non-inflammable, because of Its cross-linked structure The presence of chlorine atoms in its monomer The absence of chlorine atoms in its monomer Its linear chain structure Its cross-linked structure The presence of chlorine atoms in its monomer The absence of chlorine atoms in its monomer Its linear chain structure 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 Synthetic polymer produced by using terephthalic acid and ethylene glycol is PVC Terylene Polyesterene Nylon-66 PVC Terylene Polyesterene Nylon-66 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Rayon is a __________ fibre. Polyamide Polyester Natural Cellulosic Polyamide Polyester Natural Cellulosic 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 Nylon-66 compared to nylon-6 has More abrasion resistant properties Higher hardness Lower melting point All of these More abrasion resistant properties Higher hardness Lower melting point All of these ANSWER DOWNLOAD EXAMIANS APP