Polymer Technology Styrene butadiene rubber (SBR) as compared to natural rubber has Poorer resistance Greater amount of heat build up heavy loading Poor tensile strength All of these Poorer resistance Greater amount of heat build up heavy loading Poor tensile strength All of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Synthetic rubber Is softer at higher temperature Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Is brittle at low temperature Deforms, if stretched to double of its original dimension Is softer at higher temperature Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Is brittle at low temperature Deforms, if stretched to double of its original dimension ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Buna-S is also called Teflon SBR Bakelite Polyurathane Teflon SBR Bakelite Polyurathane ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymethyl methacrylate (PMMA) which is also known as perspex and is produced by bulk polymerisation of methyl methacrylate is not a __________ polymer. Thermoplastic Thermosetting Linear Glass like transparent Thermoplastic Thermosetting Linear Glass like transparent ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The only natural thermoplastic resin, which is a product of animal life is Copal Shellac Amber Rosin Copal Shellac Amber Rosin ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Identify the group in which all the polymers mentioned can be used to make fibres. Polypropylene, Poly vinyl chloride, Silicon Cellulose derivatives, Polyisoprene, Polyethylene Butadiene copolymers, Polyamides, Urea aldehyde Cellulose derivatives, Polyamides, Polyurathane Polypropylene, Poly vinyl chloride, Silicon Cellulose derivatives, Polyisoprene, Polyethylene Butadiene copolymers, Polyamides, Urea aldehyde Cellulose derivatives, Polyamides, Polyurathane ANSWER DOWNLOAD EXAMIANS APP