Polymer Technology Thermosetting resins/polymers as compared to thermoplastic ones are Easily reshaped & reused More brittle Formed by addition polymerisation only Soluble in all organic solvents Easily reshaped & reused More brittle Formed by addition polymerisation only Soluble in all organic solvents ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Mastication of rubber means Its softening Depression of its freezing point A treatment to retard its deterioration due to oxidation Improving its curing rate Its softening Depression of its freezing point A treatment to retard its deterioration due to oxidation Improving its curing rate ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Starting material for the production of butadiene in India is Phthalic anhydride Benzol Naphthalene Ethyl alcohol Phthalic anhydride Benzol Naphthalene Ethyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polycaprolactum is Nylon-66 Dacron Rayon Nylon-6 Nylon-66 Dacron Rayon Nylon-6 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? Ammonium alum Neither A nor B Potassium alum Both A & B Ammonium alum Neither A nor B Potassium alum Both A & B ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Dacron is a Thermosetting material Condensation polymerisation product of dimethyl terephthalate (DMT) and ethylene glycol None of these Condensation polymerisation product of hexamethylene diamine and adipic acid Thermosetting material Condensation polymerisation product of dimethyl terephthalate (DMT) and ethylene glycol None of these Condensation polymerisation product of hexamethylene diamine and adipic acid ANSWER DOWNLOAD EXAMIANS APP