Polymer Technology Which of the following polymers belong to the class of formaldehyde resin? Dacron None of these Melamine resins Teflon Dacron None of these Melamine resins Teflon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is the lowest cost plastic commercially available? Teflon PVC Polythene Bakelite Teflon PVC Polythene Bakelite ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology 90% of the caprolactum is converted to nylon-6 on its condensation polymerisation in the reactor maintained at a temperature of __________ °C. 10-30 500-600 250-280 -5 10-30 500-600 250-280 -5 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermosetting resins/polymers as compared to thermoplastic ones are Formed by addition polymerisation only More brittle Soluble in all organic solvents Easily reshaped & reused Formed by addition polymerisation only More brittle Soluble in all organic solvents Easily reshaped & reused ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The generic chemical name for the class of polymers which are commerically known as nylons is Polyacrylate Polyolefins Polyamide Polyurathane Polyacrylate Polyolefins Polyamide Polyurathane ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Diphenylamine is added to rubber to Make it non-inflammable Make it thermosetting 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 ANSWER DOWNLOAD EXAMIANS APP