Polymer Technology Natural rubber is obtained from latex, which is a colloidal dispersion of rubber in water. Which of the following is used as a coagulant in latex? Neither A nor B Ammonium alum Potassium alum Both A & B Neither A nor B Ammonium alum Potassium alum Both A & B ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is stretched into fibres? Unsaturated polyester Isoprene Bakelite Saturated polyester Unsaturated polyester Isoprene Bakelite Saturated polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Styrene butadiene rubber (SBR) as compared to natural rubber has Greater amount of heat build up heavy loading All of these Poor tensile strength Poorer resistance Greater amount of heat build up heavy loading All of these Poor tensile strength Poorer resistance ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is generally not used as eord for synthetic rubber tyre casing? Dacron None of these Nylon Cellulose Dacron None of these Nylon Cellulose 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? Nylon-6 Bakelite (phenol formaldehyde) Polythene Polyester Nylon-6 Bakelite (phenol formaldehyde) Polythene Polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Glyptal used in the manufacture of paints & lacquers is a __________ polymer. Polyamide Polyacrylonitrile Polyester Polystyrene Polyamide Polyacrylonitrile Polyester Polystyrene ANSWER DOWNLOAD EXAMIANS APP
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