Polymer Technology Addition polymerisation takes place either by a free radical mechanism or ionic machanism depending on the reagents used. Free radical polymerisation is catelyzed by __________ , which decompose to give free radicals. None of these Sulphuric acid Organic peroxides Hydroflouric acid None of these Sulphuric acid Organic peroxides Hydroflouric acid ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Liners of bags are usually made of PVC Polyesters Polypropylene Polythene PVC Polyesters Polypropylene Polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Nylon-66 compared to nylon-6 has Lower melting point Higher hardness More abrasion resistant properties All of these Lower melting point Higher hardness More abrasion resistant properties All of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cross linked polymers are Fibres only Thermoplastic Either A or B Thermosetting Fibres only Thermoplastic Either A or B Thermosetting ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is an inorganic polymer? Perspex Bakelite Silicones Teflon Perspex Bakelite Silicones Teflon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Chain growth polymerisation is a process, in which the monomers are added in a chain fashion, and it requires an initiator to produce the free radical. An example of chain growth polymerisation products is Teflon Polyester Nylon-66 Bakelite Teflon Polyester Nylon-66 Bakelite ANSWER DOWNLOAD EXAMIANS APP