Polymer Technology Chain growth polymerisation is a process, in which the monomers are added in a chain fashion, and it requires an initiator to produce the free radical. An example of chain growth polymerisation products is Polyester Bakelite Nylon-66 Teflon Polyester Bakelite Nylon-66 Teflon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermosetting resins/polymers as compared to thermoplastic ones are Formed by addition polymerisation only More brittle Soluble in all organic solvents Easily reshaped & reused Formed by addition polymerisation only More brittle Soluble in all organic solvents Easily reshaped & reused ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Natural rubber is obtained from latex, which is a colloidal dispersion of rubber in water. Which of the following is used as a coagulant in latex? Ammonium alum Potassium alum Both A & B Neither A nor B Ammonium alum Potassium alum Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Bakelite is a/an None of these Thermoplastic Addition polymer Elastomer None of these Thermoplastic Addition polymer Elastomer ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Vinyl flooring is done using __________ sheets. Polythene PVC Polypropylene Polyvinyl acetate Polythene PVC Polypropylene Polyvinyl acetate ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Viscosity of a polymer solution or melt 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 Decreases with increase in molecular weight Does not vary with temperature rise ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS