Polymer Technology Due to its excellent permeability to air/gas and oxidation resistance, the tubes of automobile tyres is made of Bunai N Cold SBR Buna S Butyl rubber Bunai N Cold SBR Buna S Butyl rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Softening point of high density polythene is about __________ °C. 135 85 205 165 135 85 205 165 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In condensation polymerisation as compared to addition polymerisation Generally only one monomer is involved The monomers are unsaturated compounds No co-product is lost The monomers contain two functional groups Generally only one monomer is involved The monomers are unsaturated compounds No co-product is lost The monomers contain two functional groups ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Bakelite is Same as thermoset phenol formaldehyde Same as polytetra flouro ethylene (PTFE) Not a polymer An inorganic polymer Same as thermoset phenol formaldehyde Same as polytetra flouro ethylene (PTFE) Not a polymer An inorganic polymer ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plastic tubes & pipes are generally made by __________ moulding. Extrusion Compression Transfer Injection Extrusion Compression Transfer Injection ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition polymerisation takes place either by a free radical mechanism or ionic machanism depending on the reagents used. Free radical polymerisation is catelyzed by __________ , which decompose to give free radicals. None of these Hydroflouric acid Sulphuric acid Organic peroxides None of these Hydroflouric acid Sulphuric acid Organic peroxides ANSWER DOWNLOAD EXAMIANS APP