Polymer Technology Identify the group in which all the polymers mentioned can be used to make fibres. Cellulose derivatives, Polyamides, Polyurathane Butadiene copolymers, Polyamides, Urea aldehyde Polypropylene, Poly vinyl chloride, Silicon Cellulose derivatives, Polyisoprene, Polyethylene Cellulose derivatives, Polyamides, Polyurathane Butadiene copolymers, Polyamides, Urea aldehyde Polypropylene, Poly vinyl chloride, Silicon Cellulose derivatives, Polyisoprene, Polyethylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Dacron is a None of these Condensation polymerisation product of dimethyl terephthalate (DMT) and ethylene glycol Condensation polymerisation product of hexamethylene diamine and adipic acid Thermosetting material None of these Condensation polymerisation product of dimethyl terephthalate (DMT) and ethylene glycol Condensation polymerisation product of hexamethylene diamine and adipic acid Thermosetting material ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology SBR is produced by the copolymerisation of butadiene & styrene by employing emulsion polymerisation. The weight ratio of styrene and butadiene is maintained at 3:1 1:3 2:1 1:2 3:1 1:3 2:1 1:2 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Styrene butadiene rubber (SBR) as compared to natural rubber has Poor tensile strength All of these Greater amount of heat build up heavy loading Poorer resistance Poor tensile strength All of these Greater amount of heat build up heavy loading Poorer resistance ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a natural fibre? Viscose rayon Cotton Wool Silk Viscose rayon Cotton Wool Silk ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Starting material for the production of butadiene in India is Ethyl alcohol Benzol Naphthalene Phthalic anhydride Ethyl alcohol Benzol Naphthalene Phthalic anhydride ANSWER DOWNLOAD EXAMIANS APP