Polymer Technology Cellulose is the main contituent of most __________ fibres. Acrylic Natural Synthetic Spandex Acrylic Natural Synthetic Spandex ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following has the weakest intermolecular forces? Bakelite Polystyrene Polyisoprene Nylon-66 Bakelite Polystyrene Polyisoprene Nylon-66 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. Thermosetting Thermoplastic Brittleness Elastometric Thermosetting Thermoplastic Brittleness Elastometric ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In a linear polymer, the monomeric units are linked together to form long straight chains. The cross linked or branched chain polymers compared to linear polymers have higher Hardness, rigidity & brittleness Densities Tensile strength Melting point Hardness, rigidity & brittleness Densities Tensile strength Melting point ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In condensation polymerisation as compared to addition polymerisation Generally only one monomer is involved The monomers are unsaturated compounds No co-product is lost The monomers contain two functional groups Generally only one monomer is involved The monomers are unsaturated compounds No co-product is lost The monomers contain two functional groups ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Liners of bags are usually made of Polyesters PVC Polypropylene Polythene Polyesters PVC Polypropylene Polythene ANSWER DOWNLOAD EXAMIANS APP