Polymer Technology Contact lenses for eyes are made of perspex, which is nothing but Unsaturated polyester Polystyrene Polypropylene Polymethylmethacrylate Unsaturated polyester Polystyrene Polypropylene Polymethylmethacrylate ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a thermoplastic material? Epoxy polymer Polystyrene PVC Polythene Epoxy polymer Polystyrene PVC Polythene 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 Elastomers are Exemplified by protein derivatives Thermosetting material Having high flexural strength Having very high tensile strength and heat resistance Exemplified by protein derivatives Thermosetting material Having high flexural strength Having very high tensile strength and heat resistance ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is the most important rubber compounding ingradient which is used to improve wearing qualities of both natural rubber & SBR by imparting toughness? Pine oil Rosin Phosphorous Carbon black Pine oil Rosin Phosphorous Carbon black ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Vulcanisation of rubber does not increase its Softness Oxidation resistance Elasticity & water solubility Weight & strength Softness Oxidation resistance Elasticity & water solubility Weight & strength ANSWER DOWNLOAD EXAMIANS APP
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