Polymer Technology Polyvinyl alcohol is used as a Textile fibre Non-sticky coating on frying pans Cation/anion exchanger Water soluble adhesive Textile fibre Non-sticky coating on frying pans Cation/anion exchanger Water soluble adhesive ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Antioxidants are added to rubber to protect it from the attack of light, heat & atmospheric ozone. Which of the following is an antioxident used in rubber? Thiokol Magnesium Carbon Alkylated diphenyl amine Thiokol Magnesium Carbon Alkylated diphenyl amine ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Mastication of rubber means A treatment to retard its deterioration due to oxidation Depression of its freezing point Improving its curing rate Its softening A treatment to retard its deterioration due to oxidation Depression of its freezing point Improving its curing rate Its softening 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 Melting point Hardness, rigidity & brittleness Tensile strength Densities Melting point Hardness, rigidity & brittleness Tensile strength Densities ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is normally used for the manufacture of refrigerator components and transistor parts. Polystyrene Polyurathene Polyester Polyproylene Polystyrene Polyurathene Polyester Polyproylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Molecular weight of a polymer is equal to the molecular weight of the repeat unit multiplied by the degree of polymerisation. What is the molecular weight of poly vinyl chloride (PVC), if its degree of polymerisation is 800? 50000 50800 51600 49200 50000 50800 51600 49200 ANSWER DOWNLOAD EXAMIANS APP
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