Polymer Technology Valcunisation of rubber decreases its Tensile strength Resistance to organic solvents Tackiness Working temperature range Tensile strength Resistance to organic solvents Tackiness Working temperature range ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ moulding is used for shaping of thermosetting plastics exclusively. Injection Transfer Compression Extrusion Injection Transfer Compression Extrusion ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plasticisers are added to synthetic plastics to Improve workability during fabrication Impart flexibility Develop new improved properties not present in the original resin All of these Improve workability during fabrication Impart flexibility Develop new improved properties not present in the original resin All of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Vulcanisation of rubber does not increase its Elasticity & water solubility Weight & strength Softness Oxidation resistance Elasticity & water solubility Weight & strength Softness Oxidation resistance 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 Glass like transparent Thermosetting Linear Thermoplastic Glass like transparent Thermosetting Linear ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their Resistance to heat Polymerisation mechanism Magnitude of intermolecular forces Molecular sizes Resistance to heat Polymerisation mechanism Magnitude of intermolecular forces Molecular sizes ANSWER DOWNLOAD EXAMIANS APP