Polymer Technology Condensation polymerisation of formaldehyde with __________ does not produce phenolic resin. Para-cresol Phenol Resorcinol Melamine Para-cresol Phenol Resorcinol Melamine ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following polymers does not belong to the class of polyacrylate polymer? Polyethyl acrylate Polyacrylonitrile PMMA None of these Polyethyl acrylate Polyacrylonitrile PMMA None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Synthetic rubber Deforms, if stretched to double of its original dimension Is brittle at low temperature Is softer at higher temperature Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Deforms, if stretched to double of its original dimension Is brittle at low temperature Is softer at higher temperature Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The starting material used for the manufacture of caprolactum is Ethylene glycol DMT Ethyl benzene Cyclohexane Ethylene glycol DMT Ethyl benzene Cyclohexane ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their Molecular sizes Resistance to heat Polymerisation mechanism Magnitude of intermolecular forces Molecular sizes Resistance to heat Polymerisation mechanism Magnitude of intermolecular forces ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is a copolymer? Bakelite Polythene Teflon PVC Bakelite Polythene Teflon PVC ANSWER DOWNLOAD EXAMIANS APP