Polymer Technology Flexible foam (for mattresses) are usually made of Polyurethanes PVC Polyamides Silicone rubber Polyurethanes PVC Polyamides Silicone rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermosetting polymers as compared to thermoplastic polymers Have three dimensional structure Have linear structure Are formed by addition polymerisation None of these Have three dimensional structure Have linear structure Are formed by addition polymerisation None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Vulcanisation of rubber does not increase its Weight & strength Oxidation resistance Softness Elasticity & water solubility Weight & strength Oxidation resistance Softness Elasticity & water solubility ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Natural rubber is obtained from latex, which is a colloidal dispersion of rubber in water. Which of the following is used as a coagulant in latex? Both A & B Ammonium alum Neither A nor B Potassium alum Both A & B Ammonium alum Neither A nor B Potassium alum ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Ebonite is a/an Adhesive Highly vulcanised rubber Unvulcanised raw rubber Natural rubber Adhesive Highly vulcanised rubber Unvulcanised raw rubber Natural rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Condensation polymerisation of formaldehyde with __________ does not produce phenolic resin. Phenol Melamine Resorcinol Para-cresol Phenol Melamine Resorcinol Para-cresol ANSWER DOWNLOAD EXAMIANS APP
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