Polymer Technology Which of the following additives are added to plastics to make it impervious to X-rays? Barium salt Phthalic acid Carborundum Asbestos Barium salt Phthalic acid Carborundum Asbestos ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Neoprene is rendered non-inflammable, because of The absence of chlorine atoms in its monomer The presence of chlorine atoms in its monomer Its linear chain structure Its cross-linked structure The absence of chlorine atoms in its monomer The presence of chlorine atoms in its monomer Its linear chain structure Its cross-linked structure ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is produced by polymerisation of chloroprene. Butyl rubber Neoprene Thiokol (a polysulphide rubber) Polyurathane rubber Butyl rubber Neoprene Thiokol (a polysulphide rubber) Polyurathane rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Linear polymers are normally Having extremely high softening point Thermosetting Thermosplastic Elastometric Having extremely high softening point Thermosetting Thermosplastic Elastometric 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. Polythene Polyvinyl acetate PVC Rayon Polythene Polyvinyl acetate PVC Rayon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is not a polyester fibre. Polyacrylonitrite Nylon Terylene Dacron Polyacrylonitrite Nylon Terylene Dacron ANSWER DOWNLOAD EXAMIANS APP