Polymer Technology Bakelite is a/an Elastomer Addition polymer None of these Thermoplastic Elastomer Addition polymer None of these Thermoplastic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polystyrene is a __________ plastic at room temperature. Ductile None of these Malleable Brittle Ductile None of these Malleable Brittle 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. Nylon 6:6 Polypropylene Acrylic Polyester Nylon 6:6 Polypropylene Acrylic Polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to Increase its viscosity Reduce its viscosity to permit easier processing Reduce the time of vulcanisation and quantity of vulcanising agent Protect rubber goods from attack by oxygen & ozone present in the atmosphere Increase its viscosity Reduce its viscosity to permit easier processing Reduce the time of vulcanisation and quantity of vulcanising agent Protect rubber goods from attack by oxygen & ozone present in the atmosphere ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following low molecular weight ( Thiokol Polyvinyl acetate Cellulose acetate PVC Thiokol Polyvinyl acetate Cellulose acetate PVC ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Alkyd resin can not be used for making Plasticiser Paint & varnish Fibres Film forming materials Plasticiser Paint & varnish Fibres Film forming materials ANSWER DOWNLOAD EXAMIANS APP
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