Polymer Technology Fillers such as zinc oxide and carbon black are added to the crude natural rubber before vulcanisation in order to improve its Strength Plasticity Elasticity Weathering characteristics Strength Plasticity Elasticity Weathering characteristics ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Valcunisation of rubber decreases its Resistance to organic solvents Tensile strength Working temperature range Tackiness Resistance to organic solvents Tensile strength Working temperature range Tackiness ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Alkyd resin can not be used for making Fibres Plasticiser Film forming materials Paint & varnish Fibres Plasticiser Film forming materials Paint & varnish ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following polymers is used for making a non stick coating on frying pans? Teflon Bakelite Perspex PVC Teflon Bakelite Perspex PVC ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Synthetic rubber Is softer at higher temperature Is brittle at low temperature Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Deforms, if stretched to double of its original dimension Is softer at higher temperature Is brittle at low temperature Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Deforms, if stretched to double of its original dimension ANSWER DOWNLOAD EXAMIANS APP
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