Polymer Technology Out of all the elastomers, natural rubber has the longest elongation range & flexibility of the order of __________ percent. 1000-1500 2000-2500 1-1000 1500-2000 1000-1500 2000-2500 1-1000 1500-2000 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 Plasticity Elasticity Strength Weathering characteristics Plasticity Elasticity Strength ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following polymers shows the highest anti-tacking properties? Melamine formaldehyde resin Phenolic resin Alkyd resin Epoxy resin Melamine formaldehyde resin Phenolic resin Alkyd resin Epoxy resin ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology A copolymer is formed by the combination of two or more monomer molecules In a chain without the elimination of water Of the same monomer by elimination of small molecules of water None of these With the elimination of small amount of water In a chain without the elimination of water Of the same monomer by elimination of small molecules of water None of these With the elimination of small amount of water ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Tyres are made by Extrusion Compression moulding Injection moulding Rotational moulding Extrusion Compression moulding Injection moulding Rotational moulding ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The generic chemical name for the class of polymers which are commerically known as nylons is Polyurathane Polyamide Polyolefins Polyacrylate Polyurathane Polyamide Polyolefins Polyacrylate ANSWER DOWNLOAD EXAMIANS APP