Polymer Technology Polycaprolactum (Nylon - 6) is produced by the condensation polymerisation of caprolactum at 240-280°C in which the conversion of caprolactum is about __________ percent. 90 75 50 99 90 75 50 99 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Poly Vinyl chloride (PVC) is a __________ material. Thermoplastic Chemically active Thermosetting Fibrous Thermoplastic Chemically active Thermosetting Fibrous ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cellulose acetate has very high film permeability among all the polymers of the order of 5000 gm/100 m². Which of the following polymers has the maximum film elongation (of the order of 100%) ? Polythene Teflon Water impermeable cellophane Cellulose acetate Polythene Teflon Water impermeable cellophane Cellulose acetate ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Ebonite is a/an Natural rubber Adhesive Highly vulcanised rubber Unvulcanised raw rubber Natural rubber Adhesive Highly vulcanised rubber Unvulcanised raw rubber ANSWER DOWNLOAD EXAMIANS APP
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 Hardness, rigidity & brittleness Melting point Densities Tensile strength Hardness, rigidity & brittleness Melting point Densities Tensile strength ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Phosphates (e.g., triceresyl, tributyl, tetrabutyl, tripheyl etc.) are added to polymers to act as Anti-shrinkage agents Plasticisers Hardeners Transparency improver Anti-shrinkage agents Plasticisers Hardeners Transparency improver ANSWER DOWNLOAD EXAMIANS APP
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