Polymer Technology Which of the following polymers shows the highest anti-tacking properties? Melamine formaldehyde resin Phenolic resin Epoxy resin Alkyd resin Melamine formaldehyde resin Phenolic resin Epoxy resin Alkyd resin ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Synthetic rubber Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Deforms, if stretched to double of its original dimension Is softer at higher temperature Is brittle at low temperature Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Deforms, if stretched to double of its original dimension Is softer at higher temperature Is brittle at low temperature ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Dacron (or terylene) fibres as compared to nylon fibres have Better heat & acid resistant properties Poorer dyeability Poorer resistance to alkalis All of these Better heat & acid resistant properties Poorer dyeability Poorer resistance to alkalis All of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Trade name of __________ is neoprene. Polychloroprene Poly vinyl acetate Polytetraflouroethylene Polyisoprene Polychloroprene Poly vinyl acetate Polytetraflouroethylene Polyisoprene 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 Resin for lamination As room temperature adhesive As grease & lubricant Hydraulic fluid for heat transfer Resin for lamination As room temperature adhesive As grease & lubricant 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? Neither A nor B Both A & B Ammonium alum Potassium alum Neither A nor B Both A & B Ammonium alum Potassium alum ANSWER DOWNLOAD EXAMIANS APP
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