Polymer Technology Addition of plasticisers to polymers results in partial neutralisation of intermolecular forces of attraction between the macro-molecules thereby increasing its All of these Chemical resistance Tensile strength Flexibility All of these Chemical resistance Tensile strength Flexibility ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Flexible plastic pipes are made of Low density polyethylene (LDPE) High density polyethylene (HDPE) Unsaturated polyester Polypropylene Low density polyethylene (LDPE) High density polyethylene (HDPE) Unsaturated polyester Polypropylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following polymers has the tendency of decomposing before melting? Nylon PVC None of these Polystyrene Nylon PVC None of these Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is normally used for the manufacture of refrigerator components and transistor parts. Polyester Polyurathene Polyproylene Polystyrene Polyester Polyurathene Polyproylene Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Collapsible tubes for tooth paste are produced by __________ extrusion. None of these Direct Indirect Impact None of these Direct Indirect Impact ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to Reduce its viscosity to permit easier processing Protect rubber goods from attack by oxygen & ozone present in the atmosphere Reduce the time of vulcanisation and quantity of vulcanising agent Increase its viscosity Reduce its viscosity to permit easier processing Protect rubber goods from attack by oxygen & ozone present in the atmosphere Reduce the time of vulcanisation and quantity of vulcanising agent Increase its viscosity ANSWER DOWNLOAD EXAMIANS APP
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