Polymer Technology Condensation polymerisation of __________ produces bakelite. Phenol & formaldehyde Urea & formaldehyde Propylene Phenol & acetaldehyde Phenol & formaldehyde Urea & formaldehyde Propylene Phenol & acetaldehyde ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition polymerisation is not involved in the manufacture of Polystyrene Low density polythene Poly vinyl chloride Polyhexamethylene adipamide Polystyrene Low density polythene Poly vinyl chloride Polyhexamethylene adipamide 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 Visco-elastic behaviour exhibited by plastics is a __________ like behaviour. Neither solid nor liquid Solid Combination of solid & liquid Liquid Neither solid nor liquid Solid Combination of solid & liquid Liquid ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermocole is a spongy, porous, rigid or flexible foamed plastic, obtained by blowing gas/air through molten Polystyrene Polyurathane Either B or C Saturated polyester Polystyrene Polyurathane Either B or C Saturated polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Softening point of high density polythene is about __________ °C. 205 135 165 85 205 135 165 85 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS