Polymer Technology Which of the following natural bio polymers are formed as a result of polymerisation of amino-acids? Starch Proteins Cellulose Nucleic acids Starch Proteins Cellulose Nucleic acids ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In a linear polymer, the monomeric units are linked together to form long straight chains. The cross linked or branched chain polymers compared to linear polymers have higher Melting point Hardness, rigidity & brittleness Densities Tensile strength Melting point Hardness, rigidity & brittleness Densities Tensile strength ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Tubeless tyres are made of __________ rubber, which is a co-polymer of isoprene & isobutylene. Silicone Neoprene Butyl Nitrile Silicone Neoprene Butyl Nitrile ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Flexible plastic pipes are made of High density polyethylene (HDPE) Low density polyethylene (LDPE) Unsaturated polyester Polypropylene High density polyethylene (HDPE) Low density polyethylene (LDPE) Unsaturated polyester Polypropylene 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 Elasticity Strength Weathering characteristics Plasticity Elasticity Strength Weathering characteristics ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Acrilan fibres used for making cloth, carpet & blankets, which is a hard, horny & high melting polymeric material is nothing but Polyamide Alkyd resin Polyacrylonitrile Saturated polyester Polyamide Alkyd resin Polyacrylonitrile Saturated polyester ANSWER DOWNLOAD EXAMIANS APP
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