Polymer Technology In step growth polymerisation, condensation occurs in a stepwise manner with or without the elimination of smaller molecules. An example of step growth polymerisation product is Polybutadiene Terylene Polypropylene PVC Polybutadiene Terylene Polypropylene PVC ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ are produced by reacting polybasic acid (e.g. phthalic anhydride) with polyhydric alcohol (e.g., glycerol). Alkyd resins Unsaturated polyester Amino resins Saturated polyester Alkyd resins Unsaturated polyester Amino resins Saturated polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polypropylene is preferred to polythene, because the former is Non-inflammable Stronger Both B & C Harder Non-inflammable Stronger Both B & C Harder ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plastic tubes & pipes are generally made by __________ moulding. Compression Transfer Injection Extrusion Compression Transfer Injection Extrusion 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
Polymer Technology Valcunisation of rubber decreases its Working temperature range Tackiness Resistance to organic solvents Tensile strength Working temperature range Tackiness Resistance to organic solvents Tensile strength ANSWER DOWNLOAD EXAMIANS APP