Polymer Technology Plastic tubes & pipes are generally made by __________ moulding. Compression Injection Extrusion Transfer Compression Injection Extrusion Transfer ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyvinyl acetate is never used for making Fibres Moulded articles All of these Adhesives Fibres Moulded articles All of these Adhesives ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The monomer for the production of neoprene rubber is Acetylene Chloroprene None of these Isoprene Acetylene Chloroprene None of these Isoprene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polycondensation reaction of polymerisation Produces only thermoplastic material Produces epoxy polymers Does not produce linear polymers Does not need any catalyst Produces only thermoplastic material Produces epoxy polymers Does not produce linear polymers Does not need any catalyst ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Synthetic rubber Is softer at higher temperature Is brittle at low temperature Deforms, if stretched to double of its original dimension Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Is softer at higher temperature Is brittle at low temperature Deforms, if stretched to double of its original dimension Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following additives are added to plastics to make it impervious to X-rays? Carborundum Phthalic acid Asbestos Barium salt Carborundum Phthalic acid Asbestos Barium salt ANSWER DOWNLOAD EXAMIANS APP