Polymer Technology Alkyd resin e.g., glyptal resin formed by phthalic anhydride and glycerene is not used As plasticiser for PVC & nitrocellulose For fibre making For surface coating of automobiles & air crafts For film forming materials As plasticiser for PVC & nitrocellulose For fibre making For surface coating of automobiles & air crafts For film forming materials ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition polymerisation is not involved in the manufacture of Low density polythene Polyhexamethylene adipamide Polystyrene Poly vinyl chloride Low density polythene Polyhexamethylene adipamide Polystyrene Poly vinyl chloride ANSWER DOWNLOAD EXAMIANS APP
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 Densities Tensile strength Hardness, rigidity & brittleness Melting point Densities Tensile strength Hardness, rigidity & brittleness Melting point ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plastic tubes & pipes are generally made by __________ moulding. Transfer Extrusion Compression Injection Transfer Extrusion Compression Injection ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Styrene butadiene rubber (SBR) as compared to natural rubber has Poorer resistance Greater amount of heat build up heavy loading Poor tensile strength All of these Poorer resistance Greater amount of heat build up heavy loading Poor tensile strength All of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Transistor parts and refrigerator components are normally made of High density polythene Polyester Polyurathane Polystyrene High density polythene Polyester Polyurathane Polystyrene ANSWER DOWNLOAD EXAMIANS APP