Polymer Technology Thermosplastic materials Do not soften on application of heat None of these Are heavily branched molecules Are solvent insoluble Do not soften on application of heat None of these Are heavily branched molecules Are solvent insoluble ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ moulding is used for shaping of thermosetting plastics exclusively. Compression Transfer Injection Extrusion Compression Transfer Injection Extrusion ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Elastomers are Exemplified by protein derivatives Thermosetting material Having very high tensile strength and heat resistance Having high flexural strength Exemplified by protein derivatives Thermosetting material Having very high tensile strength and heat resistance Having high flexural strength ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology SBR is produced by the copolymerisation of butadiene & styrene by employing emulsion polymerisation. The weight ratio of styrene and butadiene is maintained at 2:1 1:3 1:2 3:1 2:1 1:3 1:2 3:1 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following has the weakest intermolecular forces? Nylon-66 Polystyrene Polyisoprene Bakelite Nylon-66 Polystyrene Polyisoprene Bakelite ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Epoxy resins (i.e., epoxide polymers) Use emulsion polymerisation methods Are made by addition polymerisation reaction only Contain an epoxy group ( ##### ) at the ends of the polymer Are cross-linked polymers only Use emulsion polymerisation methods Are made by addition polymerisation reaction only Contain an epoxy group ( ##### ) at the ends of the polymer Are cross-linked polymers only ANSWER DOWNLOAD EXAMIANS APP