Polymer Technology Caprolactum, a raw material for the manufacture of nylon-6, is produced from Benzene Phenol Naphthalene Pyridine Benzene Phenol Naphthalene Pyridine ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ resins are produced by the condensation polymerisation of formaldehyde with urea or melamine. Alkyd Epoxy Amino Phenolic Alkyd Epoxy Amino Phenolic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Most commonly used rubber vulcanisation agent is Platinum Sulphur Alumina Bromine Platinum Sulphur Alumina Bromine ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In a cross linked polymer, the monomeric units are linked together to constitute a three dimensional network. Which of the following is a cross-linked polymer? Polyester Polythene Nylon-6 Bakelite (phenol formaldehyde) Polyester Polythene Nylon-6 Bakelite (phenol formaldehyde) 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. Polypropylene Acrylic Nylon 6:6 Polyester Polypropylene Acrylic Nylon 6:6 Polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Molecular weights of plastics ranges from 1000 to 5000 10⁹ to l0¹¹ 20000 to 25000 5000 to 1000 1000 to 5000 10⁹ to l0¹¹ 20000 to 25000 5000 to 1000 ANSWER DOWNLOAD EXAMIANS APP
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