Polymer Technology Dacron (or terylene) fibres as compared to nylon fibres have Poorer resistance to alkalis All of these Poorer dyeability Better heat & acid resistant properties Poorer resistance to alkalis All of these Poorer dyeability Better heat & acid resistant properties ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Synthetic rubber Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Is brittle at low temperature Deforms, if stretched to double of its original dimension Is softer at higher temperature Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Is brittle at low temperature Deforms, if stretched to double of its original dimension Is softer at higher temperature ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Fillers such as zinc oxide and carbon black are added to the crude natural rubber before vulcanisation in order to improve its Weathering characteristics Elasticity Plasticity Strength Weathering characteristics Elasticity Plasticity Strength ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Most commonly used rubber vulcanisation agent is Sulphur Bromine Alumina Platinum Sulphur Bromine Alumina Platinum ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Main constituent of cotton fibre is Starch Gelatine Cellulose Lignin Starch Gelatine Cellulose Lignin 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. Glass like transparent Thermoplastic Linear Thermosetting Glass like transparent Thermoplastic Linear Thermosetting ANSWER DOWNLOAD EXAMIANS APP
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