Polymer Technology Condensation polymerisation of formaldehyde with __________ does not produce phenolic resin. Phenol Para-cresol Melamine Resorcinol Phenol Para-cresol Melamine Resorcinol ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Dacron is a Condensation polymerisation product of hexamethylene diamine and adipic acid Condensation polymerisation product of dimethyl terephthalate (DMT) and ethylene glycol Thermosetting material None of these Condensation polymerisation product of hexamethylene diamine and adipic acid Condensation polymerisation product of dimethyl terephthalate (DMT) and ethylene glycol Thermosetting material None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cross linked polymers are Either A or B Fibres only Thermoplastic Thermosetting Either A or B Fibres only Thermoplastic Thermosetting ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their Polymerisation mechanism Resistance to heat Magnitude of intermolecular forces Molecular sizes Polymerisation mechanism Resistance to heat Magnitude of intermolecular forces Molecular sizes ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following natural bio polymers are formed as a result of polymerisation of amino-acids? Cellulose Proteins Nucleic acids Starch Cellulose Proteins Nucleic acids Starch ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ moulding is used for shaping of thermosetting plastics exclusively. Transfer Injection Compression Extrusion Transfer Injection Compression Extrusion ANSWER DOWNLOAD EXAMIANS APP
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