Polymer Technology Which of the following polymers is used for making a non stick coating on frying pans? Perspex Teflon PVC Bakelite Perspex Teflon PVC Bakelite ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Out of all the elastomers, natural rubber has the longest elongation range & flexibility of the order of __________ percent. 1000-1500 1-1000 2000-2500 1500-2000 1000-1500 1-1000 2000-2500 1500-2000 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following additives are added to plastics to make it impervious to X-rays? Asbestos Barium salt Carborundum Phthalic acid Asbestos Barium salt Carborundum Phthalic acid ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymethyl methacrylate (PMMA) which is also known as perspex and is produced by bulk polymerisation of methyl methacrylate is not a __________ polymer. Glass like transparent Linear Thermosetting Thermoplastic Glass like transparent Linear Thermosetting Thermoplastic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In step growth polymerisation, generally only one type of reaction & some basic mechanism is involved. Step growth polymerisation reaction is not involved in the manufacture of Polyamides Cross linked polystyrene Phenol formaldehyde resins Polyesters Polyamides Cross linked polystyrene Phenol formaldehyde resins Polyesters ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ polymer is produced by the copolymerisation of vinyl chloride-vinyl acetate. Rubbery Leathery Hard Fibrous Rubbery Leathery Hard Fibrous ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS