Polymer Technology Condensation of bisphenol A with phosgene produces __________ which possess very good heat resistance. Polycarbonate Polysulphone Polyester Polyurathane Polycarbonate Polysulphone Polyester Polyurathane ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In a cross linked polymer, the monomeric units are linked together to constitute a three dimensional network. Which of the following is a cross-linked polymer? Bakelite (phenol formaldehyde) Nylon-6 Polythene Polyester Bakelite (phenol formaldehyde) Nylon-6 Polythene Polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plastic articles are normally produced by __________ moulding. Injection Shell Dry sand Green sand Injection Shell Dry sand Green sand ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The physical state in which polymers exist is Amorphous glassy state Melts & rubber like state Partially crystalline state All of these Amorphous glassy state Melts & rubber like state Partially crystalline state All of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is a copolymer? PVC Bakelite Polythene Teflon PVC Bakelite Polythene Teflon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyvinyl alcohol is used as a Non-sticky coating on frying pans Cation/anion exchanger Water soluble adhesive Textile fibre Non-sticky coating on frying pans Cation/anion exchanger Water soluble adhesive Textile fibre ANSWER DOWNLOAD EXAMIANS APP