Polymer Technology Which of the following additives are added to plastics to make it impervious to X-rays? Carborundum Phthalic acid Asbestos Barium salt Carborundum Phthalic acid Asbestos Barium salt ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The major constituent of laminate of safety glass, which holds the broken glass, pieces in their places during accident (and thus minimises the danger from flying glass fragments) is Polyvinyl butyral Polyvinyl alcohol PVC Polyvinyl acetale Polyvinyl butyral Polyvinyl alcohol PVC Polyvinyl acetale ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following polymers has the tendency of decomposing before melting? PVC None of these Polystyrene Nylon PVC None of these Polystyrene Nylon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Scouring is a finishing operation during the manufacture of fibre, which aims at __________ of fibres. Dyeing/colouring Glycol soaking Detergent solution washing Improving the stretchability Dyeing/colouring Glycol soaking Detergent solution washing Improving the stretchability ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The conversion of caprolactum in the above case is about __________ percent. 70 50 25 90 70 50 25 90 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Styrene butadiene rubber (SBR) as compared to natural rubber has All of these Poorer resistance Greater amount of heat build up heavy loading Poor tensile strength All of these Poorer resistance Greater amount of heat build up heavy loading Poor tensile strength ANSWER DOWNLOAD EXAMIANS APP
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