Polymer Technology Thermosplastic materials Are solvent insoluble Are heavily branched molecules None of these Do not soften on application of heat Are solvent insoluble Are heavily branched molecules None of these Do not soften on application of heat ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Molecular weight of polymers are in the range of 10 to 10³ 10²-10⁷ 10⁹-10¹¹ 10⁷-10⁹ 10 to 10³ 10²-10⁷ 10⁹-10¹¹ 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. Acrylic Polypropylene Nylon 6:6 Polyester Acrylic Polypropylene Nylon 6:6 Polyester 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 3:1 1:3 1:2 2:1 3:1 1:3 1:2 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymethyl methacrylate (PMMA) which is also known as perspex and is produced by bulk polymerisation of methyl methacrylate is not a __________ polymer. Thermosetting Glass like transparent Linear Thermoplastic Thermosetting Glass like transparent Linear Thermoplastic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following low molecular weight ( Thiokol Polyvinyl acetate Cellulose acetate PVC Thiokol Polyvinyl acetate Cellulose acetate PVC ANSWER DOWNLOAD EXAMIANS APP
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