Polymer Technology Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their Molecular sizes Magnitude of intermolecular forces Resistance to heat Polymerisation mechanism Molecular sizes Magnitude of intermolecular forces Resistance to heat Polymerisation mechanism ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Temperature and gage pressure maintained during the manufacture of hot SBR (styrene butediene rubber) are 250°C and 10 kgf/cm² 50°C and 3 - 4 kg/cm² 50°C and 1 kgf/cm² 250°C and 1 kgf/cm² 250°C and 10 kgf/cm² 50°C and 3 - 4 kg/cm² 50°C and 1 kgf/cm² 250°C and 1 kgf/cm² ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Ebonite is a/an Adhesive Natural rubber Unvulcanised raw rubber Highly vulcanised rubber Adhesive Natural rubber Unvulcanised raw rubber Highly vulcanised rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Commercial production of polypropylene employs __________ polymerisation. Bulk Suspension Emulsion Solution Bulk Suspension Emulsion Solution ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plastic articles are normally produced by __________ moulding. Green sand Shell Injection Dry sand Green sand Shell Injection Dry sand ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Identify the group in which all the polymers mentioned can be used to make fibres. Butadiene copolymers, Polyamides, Urea aldehyde Cellulose derivatives, Polyisoprene, Polyethylene Cellulose derivatives, Polyamides, Polyurathane Polypropylene, Poly vinyl chloride, Silicon Butadiene copolymers, Polyamides, Urea aldehyde Cellulose derivatives, Polyisoprene, Polyethylene Cellulose derivatives, Polyamides, Polyurathane Polypropylene, Poly vinyl chloride, Silicon ANSWER DOWNLOAD EXAMIANS APP