Polymer Technology Transistor parts and refrigerator components are normally made of Polyurathane High density polythene Polystyrene Polyester Polyurathane High density polythene Polystyrene Polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Condensation polymerisation of __________ produces bakelite. Propylene Urea & formaldehyde Phenol & acetaldehyde Phenol & formaldehyde Propylene Urea & formaldehyde Phenol & acetaldehyde Phenol & formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Branched chair polymers as compared to linear polymers have Higher melting point None of these Higher tensile strength Lower density Higher melting point None of these Higher tensile strength Lower density 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 Pine oil Carbon black Rosin Phosphorous Pine oil Carbon black Rosin ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymethyl methacrylate (PMMA) which is also known as perspex and is produced by bulk polymerisation of methyl methacrylate is not a __________ polymer. Linear Thermoplastic Glass like transparent Thermosetting Linear Thermoplastic Glass like transparent Thermosetting ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Diphenylamine is added to rubber to Valcanise it Protect it from deterioration on exposure to air Make it non-inflammable Make it thermosetting Valcanise it Protect it from deterioration on exposure to air Make it non-inflammable Make it thermosetting ANSWER DOWNLOAD EXAMIANS APP