Polymer Technology Polyesters are manufactured by the polycondensation reaction of Dibasic acid with dihydric alcohol Carboxylic acid with ethylene Inorganic acid with ethylene glycol A single monomer Dibasic acid with dihydric alcohol Carboxylic acid with ethylene Inorganic acid with ethylene glycol A single monomer ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cation exchange resins (0.3 to 1 mm size) used in water treatment is prepared from __________ resins. Urea formaldehyde Phenol formaldehyde Epoxy Melamine formaldehyde Urea formaldehyde Phenol formaldehyde Epoxy Melamine formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymers are Sub-micromolecules Macromolecules None of these Micromolecules Sub-micromolecules Macromolecules None of these Micromolecules ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermosetting resins/polymers as compared to thermoplastic ones are Easily reshaped & reused 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 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Bakelite is a/an Thermoplastic Addition polymer Elastomer None of these Thermoplastic Addition polymer Elastomer None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Temperature and gage pressure maintained during the manufacture of cold SBR (styrene butadiene rubber) are 5°C and 1 kgf/cm² 0°C and 1 kgf/cm² - 20°C and 1 kgf/cm² 0°C and 3 kgf/cm² 5°C and 1 kgf/cm² 0°C and 1 kgf/cm² - 20°C and 1 kgf/cm² 0°C and 3 kgf/cm² ANSWER DOWNLOAD EXAMIANS APP