Polymer Technology In a linear polymer, the monomeric units are linked together to form long straight chains. The cross linked or branched chain polymers compared to linear polymers have higher Tensile strength Melting point Hardness, rigidity & brittleness Densities Tensile strength Melting point Hardness, rigidity & brittleness Densities ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plasticisers are added to synthetic plastics to Improve workability during fabrication Develop new improved properties not present in the original resin Impart flexibility All of these Improve workability during fabrication Develop new improved properties not present in the original resin Impart flexibility All of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Commercial production of polypropylene employs __________ polymerisation. Emulsion Solution Suspension Bulk Emulsion Solution Suspension Bulk ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Amino resins are used in paper treatment to improve its Folding endurance Wet rub resistance Wet tear and bursting strength All of these Folding endurance Wet rub resistance Wet tear and bursting strength All of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a natural fibre? Cotton Viscose rayon Silk Wool Cotton Viscose rayon Silk Wool ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Condensation polymerisation of __________ produces bakelite. Urea & formaldehyde Phenol & acetaldehyde Propylene Phenol & formaldehyde Urea & formaldehyde Phenol & acetaldehyde Propylene Phenol & formaldehyde ANSWER DOWNLOAD EXAMIANS APP