Polymer Technology __________ polythene is most prone to stress-cracking High density Low density Cross-linked Linear low density High density Low density Cross-linked Linear low density ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In case of wet spinning of polymers, the polymer solution is forced through spinnerates into, a coagulating bath to give a filament form. Wet spinning is not used in case of the __________ fibres. Viscose rayon Saturated polyester Acrylic Polyvinyl acetate Viscose rayon Saturated polyester Acrylic Polyvinyl acetate ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyvinyl chloride (PVC) Can be made thermosetting by adding a plasticiser Softening temperature is 200°C Is produced by polycondensation reaction Uses either emulsion or suspension polymerisation methods Can be made thermosetting by adding a plasticiser Softening temperature is 200°C Is produced by polycondensation reaction Uses either emulsion or suspension polymerisation methods ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following polymers is used for making a non stick coating on frying pans? Perspex Bakelite PVC Teflon Perspex Bakelite PVC Teflon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polypropylene compared to polythene is Stronger All of these Harder Lighter Stronger All of these Harder Lighter 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 room temperature adhesive Resin for lamination As grease & lubricant Hydraulic fluid for heat transfer As room temperature adhesive Resin for lamination As grease & lubricant ANSWER DOWNLOAD EXAMIANS APP
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