Polymer Technology In a linear polymer, the monomeric units are linked together to form long straight chains. The cross linked or branched chain polymers compared to linear polymers have higher Melting point Densities Tensile strength Hardness, rigidity & brittleness Melting point Densities Tensile strength Hardness, rigidity & brittleness ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Softening point of high density polythene is about __________ °C. 135 205 85 165 135 205 85 165 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Scouring is a finishing operation during the manufacture of fibre, which aims at __________ of fibres. Detergent solution washing Glycol soaking Improving the stretchability Dyeing/colouring Detergent solution washing Glycol soaking Improving the stretchability Dyeing/colouring 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 1:2 1:3 2:1 3:1 1:2 1:3 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Nylon-6 as compared to nylon-66 is More abrasion resistant Having higher melting point None of these Harder More abrasion resistant Having higher melting point None of these Harder ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Starting material for the production of butadiene in India is Phthalic anhydride Benzol Naphthalene Ethyl alcohol Phthalic anhydride Benzol Naphthalene Ethyl alcohol ANSWER DOWNLOAD EXAMIANS APP