Polymer Technology Which of the following is a copolymer? Bakelite PVC Teflon Polythene Bakelite PVC Teflon Polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Lavatory cisterns are normally made of Saturated polyester Expanded polystyrene Perspex PVC Saturated polyester Expanded polystyrene Perspex PVC ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Flexible plastic pipes are made of Low density polyethylene (LDPE) High density polyethylene (HDPE) Unsaturated polyester Polypropylene Low density polyethylene (LDPE) High density polyethylene (HDPE) Unsaturated polyester Polypropylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Condensation polymerisation of __________ produces bakelite. Phenol & formaldehyde Phenol & acetaldehyde Propylene Urea & formaldehyde Phenol & formaldehyde Phenol & acetaldehyde Propylene Urea & formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Viscosity of a polymer solution or melt Decreases with increase in molecular weight Decreases with increase in temperature Increases with increase in temperature Does not vary with temperature rise Decreases with increase in molecular weight Decreases with increase in temperature Increases with increase in temperature Does not vary with temperature rise ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Visco-elastic behaviour exhibited by plastics is a __________ like behaviour. Solid Combination of solid & liquid Neither solid nor liquid Liquid Solid Combination of solid & liquid Neither solid nor liquid Liquid ANSWER DOWNLOAD EXAMIANS APP
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