Polymer Technology Which of the following types of polymers has the strongest inter particle forces? Thermoplastics Fibres Elastomers Thermosetting polymers Thermoplastics Fibres Elastomers Thermosetting polymers ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a natural fibre? Wool Silk Viscose rayon Cotton Wool Silk Viscose rayon Cotton ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to Increase its viscosity Reduce the time of vulcanisation and quantity of vulcanising agent Protect rubber goods from attack by oxygen & ozone present in the atmosphere Reduce its viscosity to permit easier processing Increase its viscosity Reduce the time of vulcanisation and quantity of vulcanising agent Protect rubber goods from attack by oxygen & ozone present in the atmosphere Reduce its viscosity to permit easier processing ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Bakelite (phenol-formaldehyde) resin can not be used as Decorative laminates Decorative paint Glass reinforced plastics Electrical insulation Decorative laminates Decorative paint Glass reinforced plastics Electrical insulation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ are produced by reacting polybasic acid (e.g. phthalic anhydride) with polyhydric alcohol (e.g., glycerol). Unsaturated polyester Amino resins Saturated polyester Alkyd resins Unsaturated polyester Amino resins Saturated polyester Alkyd resins ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition of plasticisers to polymers results in partial neutralisation of intermolecular forces of attraction between the macro-molecules thereby increasing its All of these Chemical resistance Tensile strength Flexibility All of these Chemical resistance Tensile strength Flexibility ANSWER DOWNLOAD EXAMIANS APP
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