Polymer Technology Out of all the elastomers, natural rubber has the longest elongation range & flexibility of the order of __________ percent. 1500-2000 1000-1500 1-1000 2000-2500 1500-2000 1000-1500 1-1000 2000-2500 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is generally not drawn into fibre? Polyacrylonitrile Unsaturated polyesters Saturated polyesters Polyamide Polyacrylonitrile Unsaturated polyesters Saturated polyesters Polyamide ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In nylon-6, the number 6 represents the total number of Hydrogen atoms in the ring Carbon atoms in the linear polymer chain Carbon atoms in the ring Nitrogen atoms in the ring Hydrogen atoms in the ring Carbon atoms in the linear polymer chain Carbon atoms in the ring Nitrogen atoms in the ring ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ moulding is used for shaping of thermosetting plastics exclusively. Compression Injection Transfer Extrusion Compression Injection Transfer Extrusion ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology A copolymer of vinyl and vinylidine chloride is called Treylene Saran Dacron Orlon Treylene Saran Dacron Orlon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to Increase its viscosity Protect rubber goods from attack by oxygen & ozone present in the atmosphere Reduce its viscosity to permit easier processing Reduce the time of vulcanisation and quantity of vulcanising agent Increase its viscosity Protect rubber goods from attack by oxygen & ozone present in the atmosphere Reduce its viscosity to permit easier processing Reduce the time of vulcanisation and quantity of vulcanising agent ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS