Polymer Technology Which of the following is the most important rubber compounding ingradient which is used to improve wearing qualities of both natural rubber & SBR by imparting toughness? Rosin Phosphorous Carbon black Pine oil Rosin Phosphorous Carbon black Pine oil ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermoplastic resins usually Less brittle than thermosetting resins Permanent setting resins Remain hard as long as they are hot Can not be reclaimed from waste Less brittle than thermosetting resins Permanent setting resins Remain hard as long as they are hot Can not be reclaimed from waste ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Rexin (also called artificial leather), which is used for making table cover, automobile seat cover, shoes etc. is made by coating thick cloth with molten Bakelite PVC Teflon SBR Bakelite PVC Teflon SBR ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Synthetic rubber 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 Is softer at higher temperature Is brittle at low temperature Deforms, if stretched to double of its original dimension ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Orion is A condensation polymer Obtained by polymerising vinyl cyanide A copolymer All of these A condensation polymer Obtained by polymerising vinyl cyanide A copolymer All of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Commercial production of polypropylene employs __________ polymerisation. Solution Suspension Emulsion Bulk Solution Suspension Emulsion Bulk ANSWER DOWNLOAD EXAMIANS APP