Polymer Technology Cation exchange resins (0.3 to 1 mm size) used in water treatment is prepared from __________ resins. Epoxy Melamine formaldehyde Urea formaldehyde Phenol formaldehyde Epoxy Melamine formaldehyde Urea formaldehyde Phenol formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cross linked polymers formed from bi-and trifuctional groups in which cross-linkage in three dimensions via few chemical bonding across linear chains occur imparts to the polymer __________ properties. Brittleness Thermosetting Elastometric Thermoplastic Brittleness Thermosetting Elastometric Thermoplastic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyurathane can not be used to make Fibre reinforced plastic (FRP) Coating and adhesive Automobile cushion Thermal insulation in refrigerator Fibre reinforced plastic (FRP) Coating and adhesive Automobile cushion Thermal insulation in refrigerator ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology All thermoplastic, thermosetting & elastic materials can be processed in a extrusion machine, however it can not be used for the production of plastic Buckets Tubings Pipes Filaments Buckets Tubings Pipes Filaments ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymers are None of these Sub-micromolecules Macromolecules Micromolecules None of these Sub-micromolecules Macromolecules Micromolecules 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? Neither A nor B Ammonium alum Potassium alum Both A & B Neither A nor B Ammonium alum Potassium alum Both A & B ANSWER DOWNLOAD EXAMIANS APP