Polymer Technology __________ is normally used for the manufacture of refrigerator components and transistor parts. Polyester Polyproylene Polyurathene Polystyrene Polyester Polyproylene Polyurathene Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Molecular weight of a polymer is equal to the molecular weight of the repeat unit multiplied by the degree of polymerisation. What is the molecular weight of poly vinyl chloride (PVC), if its degree of polymerisation is 800? 51600 50000 50800 49200 51600 50000 50800 49200 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Size range of polymer molecules varies from __________ metre. 10⁻⁸ to 10⁻¹⁰ 10⁻¹ to 10⁻² 10⁻⁴ to 10⁻⁷ 10⁻² to 10⁻⁵ 10⁻⁸ to 10⁻¹⁰ 10⁻¹ to 10⁻² 10⁻⁴ to 10⁻⁷ 10⁻² to 10⁻⁵ ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermocole is a spongy, porous, rigid or flexible foamed plastic, obtained by blowing gas/air through molten Polyurathane Saturated polyester Either B or C Polystyrene Polyurathane Saturated polyester Either B or C Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to Increase its viscosity Protect rubber goods from attack by oxygen & ozone present in the atmosphere Reduce its viscosity to permit easier processing Reduce the time of vulcanisation and quantity of vulcanising agent Increase its viscosity Protect rubber goods from attack by oxygen & ozone present in the atmosphere Reduce its viscosity to permit easier processing Reduce the time of vulcanisation and quantity of vulcanising agent ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Terylene is a/an Addition polymer None of these Homopolymer Poly amide Addition polymer None of these Homopolymer Poly amide ANSWER DOWNLOAD EXAMIANS APP
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