Polymer Technology Contact lenses for eyes are made of perspex, which is nothing but Unsaturated polyester Polymethylmethacrylate Polystyrene Polypropylene Unsaturated polyester Polymethylmethacrylate Polystyrene Polypropylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is a copolymer? PVC Polythene Bakelite Teflon PVC Polythene Bakelite Teflon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is normally used for the manufacture of refrigerator components and transistor parts. Polyester Polystyrene Polyproylene Polyurathene Polyester Polystyrene Polyproylene Polyurathene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermosetting resins/polymers as compared to thermoplastic ones are Formed by addition polymerisation only Easily reshaped & reused Soluble in all organic solvents More brittle Formed by addition polymerisation only Easily reshaped & reused Soluble in all organic solvents More brittle ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In a linear polymer, the monomeric units are linked together to form long straight chains. The cross linked or branched chain polymers compared to linear polymers have higher Melting point Tensile strength Hardness, rigidity & brittleness Densities Melting point Tensile strength Hardness, rigidity & brittleness Densities ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polypropylene compared to polythene is Harder Stronger All of these Lighter Harder Stronger All of these Lighter ANSWER DOWNLOAD EXAMIANS APP
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