Polymer Technology The monomer of natural rubber is DMT Isoprene Both B and C 2 methyl-1-propene DMT Isoprene Both B and C 2 methyl-1-propene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Rayon is superior to cotton in making gauge for wound treatment, because rayon Can absorb over 90% of its own weight of water Both B & C Is a synthetic polymer Does not stick to the wound unlike cotton Can absorb over 90% of its own weight of water Both B & C Is a synthetic polymer Does not stick to the wound unlike cotton ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Natural rubber is obtained from latex, which is a colloidal dispersion of rubber in water. Which of the following is used as a coagulant in latex? Neither A nor B Both A & B Potassium alum Ammonium alum Neither A nor B Both A & B Potassium alum Ammonium alum ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The rate controlling step in the manufacture of silicone rubber is the Polymer termination step Condensation of siloxane to silicone Initial hydrolysis of silicone monomer None of these Polymer termination step Condensation of siloxane to silicone Initial hydrolysis of silicone monomer None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polycondensation reaction of polymerisation Does not produce linear polymers Does not need any catalyst Produces epoxy polymers Produces only thermoplastic material Does not produce linear polymers Does not need any catalyst Produces epoxy polymers Produces only thermoplastic material ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plastic tubes & pipes are generally made by __________ moulding. Compression Transfer Extrusion Injection Compression Transfer Extrusion Injection ANSWER DOWNLOAD EXAMIANS APP