Polymer Technology In condensation polymerisation as compared to addition polymerisation Generally only one monomer is involved No co-product is lost The monomers contain two functional groups The monomers are unsaturated compounds Generally only one monomer is involved No co-product is lost The monomers contain two functional groups The monomers are unsaturated compounds ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In case of wet spinning of polymers, the polymer solution is forced through spinnerates into, a coagulating bath to give a filament form. Wet spinning is not used in case of the __________ fibres. Polyvinyl acetate Saturated polyester Acrylic Viscose rayon Polyvinyl acetate Saturated polyester Acrylic Viscose rayon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plastic tubes & pipes are generally made by __________ moulding. Transfer Injection Extrusion Compression Transfer Injection Extrusion Compression ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Branched chair polymers as compared to linear polymers have None of these Lower density Higher tensile strength Higher melting point None of these Lower density Higher tensile strength Higher melting point 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 Organic peroxides Hydroflouric acid Sulphuric acid None of these Organic peroxides Hydroflouric acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is an inorganic polymer? Silicones Teflon Bakelite Perspex Silicones Teflon Bakelite Perspex ANSWER DOWNLOAD EXAMIANS APP