Polymer Technology Phosphates (e.g., triceresyl, tributyl, tetrabutyl, tripheyl etc.) are added to polymers to act as Hardeners Transparency improver Anti-shrinkage agents Plasticisers Hardeners Transparency improver Anti-shrinkage agents Plasticisers ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Molecular weight of polymers are in the range of 10²-10⁷ 10⁹-10¹¹ 10 to 10³ 10⁷-10⁹ 10²-10⁷ 10⁹-10¹¹ 10 to 10³ 10⁷-10⁹ ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Melt spinning of polymers involves the forcing of polymer melt through spinnerettes (fine holes) into an atmosphere kept at a temperature lower than the melting point of the polymer, which causes the fine diameter polymer melt to harden into filaments. Melt spinning is not used in case of the __________ fibres. Polyester Nylon 6:6 Acrylic Polypropylene Polyester Nylon 6:6 Acrylic Polypropylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Glyptal used in the manufacture of paints & lacquers is a __________ polymer. Polyamide Polystyrene Polyacrylonitrile Polyester Polyamide Polystyrene Polyacrylonitrile Polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Out of all the elastomers, natural rubber has the longest elongation range & flexibility of the order of __________ percent. 1000-1500 1500-2000 1-1000 2000-2500 1000-1500 1500-2000 1-1000 2000-2500 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The starting material used for the manufacture of caprolactum is DMT Ethyl benzene Cyclohexane Ethylene glycol DMT Ethyl benzene Cyclohexane Ethylene glycol ANSWER DOWNLOAD EXAMIANS APP