Polymer Technology Buna-N is also called Thiokol Neoprene Nitrile rubber Butyl rubber Thiokol Neoprene Nitrile rubber Butyl rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Alkyd resin e.g., glyptal resin formed by phthalic anhydride and glycerene is not used For surface coating of automobiles & air crafts For fibre making For film forming materials As plasticiser for PVC & nitrocellulose For surface coating of automobiles & air crafts For fibre making For film forming materials As plasticiser for PVC & nitrocellulose 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 Hardness, rigidity & brittleness Melting point Densities Tensile strength Hardness, rigidity & brittleness Melting point Densities Tensile strength ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Melt spinning of polymers involves the forcing of polymer melt through spinnerettes (fine holes) into an atmosphere kept at a temperature lower than the melting point of the polymer, which causes the fine diameter polymer melt to harden into filaments. Melt spinning is not used in case of the __________ fibres. Polyester Polypropylene Nylon 6:6 Acrylic Polyester Polypropylene Nylon 6:6 Acrylic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Silicone resins, which are highly water repellant and has good heat resistance can not be used As grease & lubricant Hydraulic fluid for heat transfer As room temperature adhesive Resin for lamination As grease & lubricant Hydraulic fluid for heat transfer As room temperature adhesive Resin for lamination ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Nylon-66 is manufactured from Maleic anhydride and hexamethylene diamine Dimethyl terephthalate (DMT) and ethylene glycol Caprolactum Adipic acid and hexamenthylene diamine Maleic anhydride and hexamethylene diamine Dimethyl terephthalate (DMT) and ethylene glycol Caprolactum Adipic acid and hexamenthylene diamine ANSWER DOWNLOAD EXAMIANS APP
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