Polymer Technology Fillers such as zinc oxide and carbon black are added to the crude natural rubber before vulcanisation in order to improve its Elasticity Weathering characteristics Plasticity Strength Elasticity Weathering characteristics Plasticity Strength ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyvinyl alcohol is used as a Non-sticky coating on frying pans Water soluble adhesive Textile fibre Cation/anion exchanger Non-sticky coating on frying pans Water soluble adhesive Textile fibre Cation/anion exchanger ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Epoxy resins (i.e., epoxide polymers) 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 Are cross-linked polymers only Use emulsion polymerisation methods Contain an epoxy group ( ##### ) at the ends of the polymer ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cellulose acetate has very high film permeability among all the polymers of the order of 5000 gm/100 m². Which of the following polymers has the maximum film elongation (of the order of 100%) ? Teflon Cellulose acetate Water impermeable cellophane Polythene Teflon Cellulose acetate Water impermeable cellophane Polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following polymers belong to the class of formaldehyde resin? Teflon Dacron None of these Melamine resins Teflon Dacron None of these Melamine resins ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymethyl methacrylate (PMMA) which is also known as perspex and is produced by bulk polymerisation of methyl methacrylate is not a __________ polymer. Thermosetting Thermoplastic Glass like transparent Linear Thermosetting Thermoplastic Glass like transparent Linear ANSWER DOWNLOAD EXAMIANS APP
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