Polymer Technology Polyurathane can not be used for making Mattresses & foam Bottles Coating material Adhesives Mattresses & foam Bottles Coating material Adhesives ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Diphenylamine is added to rubber to Make it non-inflammable Valcanise it Make it thermosetting Protect it from deterioration on exposure to air Make it non-inflammable Valcanise it Make it thermosetting Protect it from deterioration on exposure to air ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a natural polymer? Nucleic acids e.g. RNA and DNA Polyisoprene Polysaccharides Polyurethane Nucleic acids e.g. RNA and DNA Polyisoprene Polysaccharides Polyurethane ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is a thermosetting plastic. Bakelite Polystyrene PVC Polythene Bakelite Polystyrene PVC Polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Viscosity of a polymer solution or melt Decreases with increase in molecular weight Does not vary with temperature rise Decreases with increase in temperature Increases with increase in temperature Decreases with increase in molecular weight Does not vary with temperature rise Decreases with increase in temperature Increases with increase in 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 Plasticity Weathering characteristics Elasticity Strength Plasticity Weathering characteristics Elasticity Strength ANSWER DOWNLOAD EXAMIANS APP