Polymer Technology Dacron is a Condensation polymerisation product of hexamethylene diamine and adipic acid Thermosetting material None of these Condensation polymerisation product of dimethyl terephthalate (DMT) and ethylene glycol Condensation polymerisation product of hexamethylene diamine and adipic acid Thermosetting material None of these Condensation polymerisation product of dimethyl terephthalate (DMT) and ethylene glycol ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Melt spinning of polymers involves the forcing of polymer melt through spinnerettes (fine holes) into an atmosphere kept at a temperature lower than the melting point of the polymer, which causes the fine diameter polymer melt to harden into filaments. Melt spinning is not used in case of the __________ fibres. Polypropylene Nylon 6:6 Acrylic Polyester Polypropylene Nylon 6:6 Acrylic Polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition of stabiliser during PVC manufacture is done to Reduce the melt viscosity & glass transition temperature Improve its elasticity Prevent its thermal degradation Improve its impact strength Reduce the melt viscosity & glass transition temperature Improve its elasticity Prevent its thermal degradation Improve its impact strength ANSWER DOWNLOAD EXAMIANS APP
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 Nylon-66 Polyester Bakelite Teflon Nylon-66 Polyester Bakelite Teflon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Density of low density polythene is about __________ gm/c.c. 0.56 0.91 0.81 0.38 0.56 0.91 0.81 0.38 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a polymer of two monomers? None of these Bakelite Teflon SBR None of these Bakelite Teflon SBR ANSWER DOWNLOAD EXAMIANS APP
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