Polymer Technology __________ is a thermosetting plastic. Polystyrene Bakelite Polythene PVC Polystyrene Bakelite Polythene PVC ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Diphenylamine is added to rubber to Valcanise it Make it non-inflammable Protect it from deterioration on exposure to air Make it thermosetting Valcanise it Make it non-inflammable Protect it from deterioration on exposure to air Make it thermosetting ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Alkyd resin e.g., glyptal resin formed by phthalic anhydride and glycerene is not used For fibre making For film forming materials For surface coating of automobiles & air crafts As plasticiser for PVC & nitrocellulose For fibre making For film forming materials For surface coating of automobiles & air crafts As plasticiser for PVC & nitrocellulose ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Natural rubber is obtained from latex, which is a colloidal dispersion of rubber in water. Which of the following is used as a coagulant in latex? Potassium alum Neither A nor B Ammonium alum Both A & B Potassium alum Neither A nor B Ammonium alum Both A & B ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymethyl methacrylate, which is an acrylic resin, is also called Plexiglass or lucite Thiokol Teflon Dacron Plexiglass or lucite Thiokol Teflon Dacron 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? Carbon black Phosphorous Pine oil Rosin Carbon black Phosphorous Pine oil Rosin ANSWER DOWNLOAD EXAMIANS APP
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