Polymer Technology Nylon 6, 10 which is used for bristles making is superior to nylon 6, 6 due to its lower water absorption capacity, is a/an Polyester Polyamide Polyisoprene Polystyrene Polyester Polyamide Polyisoprene Polystyrene 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 Hardness, rigidity & brittleness Melting point Densities Tensile strength Hardness, rigidity & brittleness Melting point Densities Tensile strength ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Bakelite is Same as polytetra flouro ethylene (PTFE) An inorganic polymer Same as thermoset phenol formaldehyde Not a polymer Same as polytetra flouro ethylene (PTFE) An inorganic polymer Same as thermoset phenol formaldehyde Not a polymer ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is stretched into fibres? Saturated polyester Bakelite Isoprene Unsaturated polyester Saturated polyester Bakelite Isoprene Unsaturated polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Synthetic rubber Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Is brittle at low temperature Deforms, if stretched to double of its original dimension Is softer at higher temperature Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Is brittle at low temperature Deforms, if stretched to double of its original dimension Is softer at higher temperature ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ are produced by reacting polybasic acid (e.g. phthalic anhydride) with polyhydric alcohol (e.g., glycerol). Alkyd resins Amino resins Unsaturated polyester Saturated polyester Alkyd resins Amino resins Unsaturated polyester Saturated polyester ANSWER DOWNLOAD EXAMIANS APP