Polymer Technology In a cross linked polymer, the monomeric units are linked together to constitute a three dimensional network. Which of the following is a cross-linked polymer? Polyester Bakelite (phenol formaldehyde) Polythene Nylon-6 Polyester Bakelite (phenol formaldehyde) Polythene Nylon-6 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is stretched into fibres? Saturated polyester Unsaturated polyester Isoprene Bakelite Saturated polyester Unsaturated polyester Isoprene Bakelite ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In a co-polymer, the repeating units contain two different monomers. Which of the following is a copolymer? Buna-S PMMA Polycaprolactum PTFE Buna-S PMMA Polycaprolactum PTFE ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Valcunisation of rubber decreases its Resistance to organic solvents Tackiness Working temperature range Tensile strength Resistance to organic solvents Tackiness Working temperature range Tensile strength ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Density of low density polythene is about __________ gm/c.c. 0.91 0.38 0.81 0.56 0.91 0.38 0.81 0.56 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Phosphates (e.g., triceresyl, tributyl, tetrabutyl, tripheyl etc.) are added to polymers to act as Plasticisers Hardeners Anti-shrinkage agents Transparency improver Plasticisers Hardeners Anti-shrinkage agents Transparency improver ANSWER DOWNLOAD EXAMIANS APP