Polymer Technology Plasticisers are high boiling liquids added to plastic polymers to impart toughness and flexibility at ordinary temperature. Which of the following is not a plasticiser? Tricresyl phosphate Ethylene glycol Esters of phthalic acid Stearic acid estors Tricresyl phosphate Ethylene glycol Esters of phthalic acid Stearic acid estors 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 Tensile strength Densities Melting point Hardness, rigidity & brittleness Tensile strength Densities Melting point Hardness, rigidity & brittleness ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The monomer of poly vinyl chloride (PVC) is Chloroform Ethylene dichloride Ethyl chloride Chloroethene Chloroform Ethylene dichloride Ethyl chloride Chloroethene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Density of low density polythene is about __________ gm/c.c. 0.38 0.56 0.91 0.81 0.38 0.56 0.91 0.81 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Bristles of tooth brushes are made of Nylon-66 PVC Polystyrene Nylon-6 Nylon-66 PVC Polystyrene Nylon-6 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a natural polymer? Polyisoprene Polysaccharides Nucleic acids e.g. RNA and DNA Polyurethane Polyisoprene Polysaccharides Nucleic acids e.g. RNA and DNA Polyurethane ANSWER DOWNLOAD EXAMIANS APP