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 Valcunisation of rubber decreases its Tackiness Tensile strength Working temperature range Resistance to organic solvents Tackiness Tensile strength Working temperature range Resistance to organic solvents ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Alkyd resin can not be used for making Fibres Film forming materials Paint & varnish Plasticiser Fibres Film forming materials Paint & varnish Plasticiser ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following polymers is used for making a non stick coating on frying pans? Bakelite Teflon PVC Perspex Bakelite Teflon PVC Perspex ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Synthetic rubber Is brittle at low temperature Is softer at higher 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 brittle at low temperature Is softer at higher 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