Polymer Technology Density of low density polythene is about __________ gm/c.c. 0.38 0.81 0.56 0.91 0.38 0.81 0.56 0.91 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Alkyd resin e.g., glyptal resin formed by phthalic anhydride and glycerene is not used As plasticiser for PVC & nitrocellulose For film forming materials For surface coating of automobiles & air crafts For fibre making As plasticiser for PVC & nitrocellulose For film forming materials For surface coating of automobiles & air crafts For fibre making ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a condensation polymer? Bakelite Polymethylmethacrylate (PMMA) None of these Melamine polymer Bakelite Polymethylmethacrylate (PMMA) None of these Melamine polymer ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyvinyl acetate is never used for making All of these Moulded articles Adhesives Fibres All of these Moulded articles Adhesives Fibres 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 Increase its viscosity Protect rubber goods from attack by oxygen & ozone present in the atmosphere Reduce the time of vulcanisation and quantity of vulcanising agent Reduce its viscosity to permit easier processing Increase its viscosity Protect rubber goods from attack by oxygen & ozone present in the atmosphere Reduce the time of vulcanisation and quantity of vulcanising agent ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Poly tetra flouro ethylene (PTFE) is known as Dacron Celluloid Bakelite Teflon Dacron Celluloid Bakelite Teflon ANSWER DOWNLOAD EXAMIANS APP