Polymer Technology Synthetic rubber Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Is brittle at low temperature Deforms, if stretched to double of its original dimension Is softer at higher temperature Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Is brittle at low temperature Deforms, if stretched to double of its original dimension Is softer at higher temperature ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ are produced by reacting polybasic acid (e.g. phthalic anhydride) with polyhydric alcohol (e.g., glycerol). Amino resins Unsaturated polyester Saturated polyester Alkyd resins Amino resins Unsaturated polyester Saturated polyester Alkyd resins ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In nylon-6, the number 6 represents the total number of Carbon atoms in the linear polymer chain Hydrogen atoms in the ring Carbon atoms in the ring Nitrogen atoms in the ring Carbon atoms in the linear polymer chain Hydrogen atoms in the ring Carbon atoms in the ring Nitrogen atoms in the ring ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Transistor parts and refrigerator components are normally made of Polyester High density polythene Polyurathane Polystyrene Polyester High density polythene Polyurathane Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Buna-S is a __________ material. Resinous Plastic Fibrous Rubbery Resinous Plastic Fibrous Rubbery ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Visco-elastic behaviour exhibited by plastics is a __________ like behaviour. Solid Neither solid nor liquid Liquid Combination of solid & liquid Solid Neither solid nor liquid Liquid Combination of solid & liquid ANSWER DOWNLOAD EXAMIANS APP
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