Polymer Technology Scouring is a finishing operation during the manufacture of fibre, which aims at __________ of fibres. Dyeing/colouring Detergent solution washing Improving the stretchability Glycol soaking Dyeing/colouring Detergent solution washing Improving the stretchability Glycol soaking ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polystyrene is a __________ plastic at room temperature. Brittle Ductile Malleable None of these Brittle Ductile Malleable None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to 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 Increase its viscosity 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 In case of wet spinning of polymers, the polymer solution is forced through spinnerates into, a coagulating bath to give a filament form. Wet spinning is not used in case of the __________ fibres. Acrylic Viscose rayon Saturated polyester Polyvinyl acetate Acrylic Viscose rayon Saturated polyester Polyvinyl acetate ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is a thermosetting plastic. Polythene Polystyrene Bakelite PVC Polythene Polystyrene Bakelite PVC ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyvinyl acetate is never used for making Moulded articles Fibres All of these Adhesives Moulded articles Fibres All of these Adhesives ANSWER DOWNLOAD EXAMIANS APP
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