Polymer Technology Which of the following is not a polyolefin? None of these Neoprene Polystyrene Polypropylene None of these Neoprene Polystyrene Polypropylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Synthetic rubber Is brittle at low temperature Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Is softer at higher temperature Deforms, if stretched to double of its original dimension Is brittle at low temperature Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Is softer at higher temperature Deforms, if stretched to double of its original dimension ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Density of low density polythene is about __________ gm/c.c. 0.56 0.38 0.91 0.81 0.56 0.38 0.91 0.81 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Temperature maintained in the emulsion polymerisation reactor for PVC manufacture is about __________ ° C. 50 500 -20 250 50 500 -20 250 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following natural bio polymers are formed as a result of polymerisation of amino-acids? Cellulose Starch Nucleic acids Proteins Cellulose Starch Nucleic acids Proteins ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Orion is All of these Obtained by polymerising vinyl cyanide A condensation polymer A copolymer All of these Obtained by polymerising vinyl cyanide A condensation polymer A copolymer ANSWER DOWNLOAD EXAMIANS APP
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