Polymer Technology __________ polymer is produced by the copolymerisation of vinyl chloride-vinyl acetate. Rubbery Fibrous Leathery Hard Rubbery Fibrous Leathery Hard ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Viscosity of a polymer solution or melt Increases with increase in temperature Decreases with increase in temperature Decreases with increase in molecular weight Does not vary with temperature rise Increases with increase in temperature Decreases with increase in temperature Decreases with increase in molecular weight Does not vary with temperature rise ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyhexamethylene adipimide is also known as Epoxy resin Nylon-66 Silicone rubber Bakelite Epoxy resin Nylon-66 Silicone rubber Bakelite ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Condensation polymerisation of caprolac-tum is carried out in the reactor maintained at a temperature of __________ °C for producing nylon-6. 50 to 75 -20 to 25 250-280 100 to 150 50 to 75 -20 to 25 250-280 100 to 150 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Low pressure Zeigler process for the manufacture of polythene uses a catalyst which is Ni Aluminium triethyl combined with titanium tetrachloride Fe V₂O₅ Ni Aluminium triethyl combined with titanium tetrachloride Fe V₂O₅ ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology A chain growth polymerisation reaction consists of three different types of reaction namely initiation reaction, propagation reaction & termination reaction. Chain growth polymerisation reaction is not involved in the manufacture of Polyamides Urea-formaldehyde resins Vinyl polymers Siloxane elastomers Polyamides Urea-formaldehyde resins Vinyl polymers Siloxane elastomers ANSWER DOWNLOAD EXAMIANS APP
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