Polymer Technology Which of the following is a copolymer? PVC Bakelite Polythene Teflon PVC Bakelite Polythene Teflon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Melt spinning of polymers involves the forcing of polymer melt through spinnerettes (fine holes) into an atmosphere kept at a temperature lower than the melting point of the polymer, which causes the fine diameter polymer melt to harden into filaments. Melt spinning is not used in case of the __________ fibres. Polypropylene Polyester Nylon 6:6 Acrylic Polypropylene Polyester Nylon 6:6 Acrylic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Neoprene is rendered non-inflammable, because of Its linear chain structure The absence of chlorine atoms in its monomer Its cross-linked structure The presence of chlorine atoms in its monomer Its linear chain structure The absence of chlorine atoms in its monomer Its cross-linked structure The presence of chlorine atoms in its monomer ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Bakelite (phenol-formaldehyde) resin can not be used as Decorative laminates Electrical insulation Decorative paint Glass reinforced plastics Decorative laminates Electrical insulation Decorative paint Glass reinforced plastics ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Antioxidants are added to rubber to protect it from the attack of light, heat & atmospheric ozone. Which of the following is an antioxident used in rubber? Thiokol Alkylated diphenyl amine Magnesium Carbon Thiokol Alkylated diphenyl amine Magnesium Carbon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Buna-S is a __________ material. Rubbery Resinous Fibrous Plastic Rubbery Resinous Fibrous Plastic ANSWER DOWNLOAD EXAMIANS APP