Polymer Technology __________ is produced by polymerisation of chloroprene. Polyurathane rubber Neoprene Thiokol (a polysulphide rubber) Butyl rubber Polyurathane rubber Neoprene Thiokol (a polysulphide rubber) Butyl rubber 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 Melting point Densities Hardness, rigidity & brittleness Tensile strength Melting point Densities Hardness, rigidity & brittleness Tensile strength ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In a cross linked polymer, the monomeric units are linked together to constitute a three dimensional network. Which of the following is a cross-linked polymer? Polythene Bakelite (phenol formaldehyde) Polyester Nylon-6 Polythene Bakelite (phenol formaldehyde) Polyester Nylon-6 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Glyptal used in the manufacture of paints & lacquers is a __________ polymer. Polystyrene Polyester Polyamide Polyacrylonitrile Polystyrene Polyester Polyamide Polyacrylonitrile ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Out of all the elastomers, natural rubber has the longest elongation range & flexibility of the order of __________ percent. 1-1000 2000-2500 1500-2000 1000-1500 1-1000 2000-2500 1500-2000 1000-1500 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Reaction of dimethyl terephthalate (DMT) and ethylene glycol produces Nylon-6 Polyester PVC Dacron Nylon-6 Polyester PVC Dacron ANSWER DOWNLOAD EXAMIANS APP
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