Polymer Technology Which of the following polymers belong to the class of formaldehyde resin? None of these Dacron Melamine resins Teflon None of these Dacron Melamine resins Teflon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following polymers is used for making a non stick coating on frying pans? Perspex Teflon Bakelite PVC Perspex Teflon Bakelite PVC ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Styrene which is a monomer for the production of polystyrene, is commercially produced by the Reacting ethylene oxide with acetal-dehyde Dehydration of ethyl alcohol followed by hydrogenation Catalytic dehydrogenation of ethyl benzene Fermentation of starch Reacting ethylene oxide with acetal-dehyde Dehydration of ethyl alcohol followed by hydrogenation Catalytic dehydrogenation of ethyl benzene Fermentation of starch ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Softening point of high density polythene is about __________ °C. 205 135 85 165 205 135 85 165 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Diphenylamine is added to rubber to Make it thermosetting Protect it from deterioration on exposure to air Valcanise it Make it non-inflammable Make it thermosetting Protect it from deterioration on exposure to air Valcanise it Make it non-inflammable ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Density of low density polythene is about __________ gm/c.c. 0.56 0.91 0.81 0.38 0.56 0.91 0.81 0.38 ANSWER DOWNLOAD EXAMIANS APP