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 acetale PVC Polyvinyl alcohol Polyvinyl butyral Polyvinyl acetale PVC Polyvinyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ of SBR is adversely affected, if more quantity of styrene is added to butadiene during its co-polymerisation to produce SBR. Resilience Percent elongation Strength Freezing point Resilience Percent elongation Strength Freezing point ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Nylon-6 as compared to nylon-66 is None of these More abrasion resistant Having higher melting point Harder None of these More abrasion resistant Having higher melting point Harder ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Properties of a polymer is affected by the Branching & cross-linking Intermolecular forces Chain length All of these Branching & cross-linking Intermolecular forces Chain length All of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Density of low density polythene is about __________ gm/c.c. 0.56 0.38 0.91 0.81 0.56 0.38 0.91 0.81 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition polymerisation takes place either by a free radical mechanism or ionic machanism depending on the reagents used. Free radical polymerisation is catelyzed by __________ , which decompose to give free radicals. Hydroflouric acid Organic peroxides Sulphuric acid None of these Hydroflouric acid Organic peroxides Sulphuric acid None of these ANSWER DOWNLOAD EXAMIANS APP