Polymer Technology Hot drink (e.g, tea) cups are usually made of Polypropylene PVC Polythene Polystyrene Polypropylene PVC Polythene Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The rate controlling step in the manufacture of silicone rubber is the Polymer termination step Condensation of siloxane to silicone Initial hydrolysis of silicone monomer None of these Polymer termination step Condensation of siloxane to silicone Initial hydrolysis of silicone monomer None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In case of dry spinning of polymers, the polymer solution in a volatile solvent is forced through the spinnerates into a warm air chamber, where the solvent evaporates leaving behind the polymer in the filament form. Dry spinning is used for __________ fibres. Polyvinyl acetate PVC Rayon Polythene Polyvinyl acetate PVC Rayon Polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Valcunisation of rubber decreases its Resistance to organic solvents Working temperature range Tackiness Tensile strength Resistance to organic solvents Working temperature range Tackiness Tensile strength 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? Phosphorous Pine oil Rosin Carbon black Phosphorous Pine oil Rosin Carbon black ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Poly tetra flouro ethylene (PTFE) is known as Teflon Celluloid Bakelite Dacron Teflon Celluloid Bakelite Dacron ANSWER DOWNLOAD EXAMIANS APP