Polymer Technology __________ are produced by reacting polybasic acid (e.g. phthalic anhydride) with polyhydric alcohol (e.g., glycerol). Unsaturated polyester Saturated polyester Alkyd resins Amino resins Unsaturated polyester Saturated polyester Alkyd resins Amino resins ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following polymers shows the highest anti-tacking properties? Alkyd resin Phenolic resin Epoxy resin Melamine formaldehyde resin Alkyd resin Phenolic resin Epoxy resin Melamine formaldehyde resin 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 Densities Hardness, rigidity & brittleness Tensile strength Melting point Densities Hardness, rigidity & brittleness Tensile strength Melting point ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The monomer of natural rubber is Isoprene 2 methyl-1-propene DMT Both B and C Isoprene 2 methyl-1-propene DMT Both B and C ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following rubbers has the widest service temperature range (-75 to 275°C) ? Nitrile rubber Silicon rubber Silicone rubber Butyl rubber Nitrile rubber Silicon rubber Silicone rubber Butyl rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a polyolefin? Polypropylene Polystyrene None of these Neoprene Polypropylene Polystyrene None of these Neoprene ANSWER DOWNLOAD EXAMIANS APP