Polymer Technology Neoprene which is used for making shoe heels & belts is superior to natural rubber in its stability to aerial oxidation and resistance to oils & other solvents. The monomer used for making neoprene is Chloroethane Chlorophrene None of these Isoprene Chloroethane Chlorophrene None of these Isoprene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ of SBR is adversely affected, if more quantity of styrene is added to butadiene during its co-polymerisation to produce SBR. Resilience Strength Percent elongation Freezing point Resilience Strength Percent elongation Freezing point ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Bristles of tooth brushes are made of Nylon-6 Polystyrene Nylon-66 PVC Nylon-6 Polystyrene Nylon-66 PVC ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Scouring is a finishing operation during the manufacture of fibre, which aims at __________ of fibres. Dyeing/colouring Detergent solution washing Glycol soaking Improving the stretchability Dyeing/colouring Detergent solution washing Glycol soaking Improving the stretchability ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Epoxy resins (i.e., epoxide polymers) Are cross-linked polymers only Use emulsion polymerisation methods Contain an epoxy group ( ##### ) at the ends of the polymer Are made by addition polymerisation reaction only Are cross-linked polymers only Use emulsion polymerisation methods Contain an epoxy group ( ##### ) at the ends of the polymer Are made by addition polymerisation reaction only ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Commercial production of polypropylene employs __________ polymerisation. Suspension Emulsion Solution Bulk Suspension Emulsion Solution Bulk ANSWER DOWNLOAD EXAMIANS APP
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