Polymer Technology Vinyl flooring is done using __________ sheets. Polyvinyl acetate PVC Polythene Polypropylene Polyvinyl acetate PVC Polythene Polypropylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The monomer of poly vinyl chloride (PVC) is Chloroform Ethyl chloride Ethylene dichloride Chloroethene Chloroform Ethyl chloride Ethylene dichloride Chloroethene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Dacron is a 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 Condensation polymerisation product of hexamethylene diamine and adipic acid Thermosetting material None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is the most important rubber compounding ingradient which is used to improve wearing qualities of both natural rubber & SBR by imparting toughness? Phosphorous Rosin Carbon black Pine oil Phosphorous Rosin Carbon black Pine oil ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to 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 Increase its viscosity Reduce its viscosity to permit easier processing ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ moulding is used for shaping of thermosetting plastics exclusively. Transfer Extrusion Injection Compression Transfer Extrusion Injection Compression ANSWER DOWNLOAD EXAMIANS APP