Polymer Technology Polyvinyl chloride (PVC) Is produced by polycondensation reaction Softening temperature is 200°C Uses either emulsion or suspension polymerisation methods Can be made thermosetting by adding a plasticiser Is produced by polycondensation reaction Softening temperature is 200°C Uses either emulsion or suspension polymerisation methods Can be made thermosetting by adding a plasticiser ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Rayon is a __________ fibre. Natural Polyamide Polyester Cellulosic Natural Polyamide Polyester Cellulosic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Vinyl flooring is done using __________ sheets. Polythene Polypropylene Polyvinyl acetate PVC Polythene Polypropylene Polyvinyl acetate PVC ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Silicone resins, which are highly water repellant and has good heat resistance can not be used Hydraulic fluid for heat transfer As grease & lubricant Resin for lamination As room temperature adhesive Hydraulic fluid for heat transfer As grease & lubricant Resin for lamination As room temperature adhesive ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is the most important rubber compounding ingradient which is used to improve wearing qualities of both natural rubber & SBR by imparting toughness? Pine oil Carbon black Phosphorous Rosin Pine oil Carbon black Phosphorous Rosin ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Styrene butadiene rubber (SBR) as compared to natural rubber has Poor tensile strength Poorer resistance Greater amount of heat build up heavy loading All of these Poor tensile strength Poorer resistance Greater amount of heat build up heavy loading All of these ANSWER DOWNLOAD EXAMIANS APP
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