Polymer Technology Condensation polymerisation of __________ produces bakelite. Urea & formaldehyde Phenol & formaldehyde Phenol & acetaldehyde Propylene Urea & formaldehyde Phenol & formaldehyde Phenol & acetaldehyde Propylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Amino resins are used in paper treatment to improve its Folding endurance All of these Wet tear and bursting strength Wet rub resistance Folding endurance All of these Wet tear and bursting strength Wet rub resistance ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following natural bio polymers are formed as a result of polymerisation of amino-acids? Starch Nucleic acids Cellulose Proteins Starch Nucleic acids Cellulose Proteins ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology SBR is produced by the copolymerisation of butadiene & styrene by employing emulsion polymerisation. The weight ratio of styrene and butadiene is maintained at 2:1 3:1 1:3 1:2 2:1 3:1 1:3 1:2 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Acrilan fibres used for making cloth, carpet & blankets, which is a hard, horny & high melting polymeric material is nothing but Saturated polyester Polyamide Polyacrylonitrile Alkyd resin Saturated polyester Polyamide Polyacrylonitrile Alkyd resin ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Out of all the elastomers, natural rubber has the longest elongation range & flexibility of the order of __________ percent. 1-1000 1500-2000 2000-2500 1000-1500 1-1000 1500-2000 2000-2500 1000-1500 ANSWER DOWNLOAD EXAMIANS APP
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