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Metallurgical Engineering Mineral Dressing In Metallurgy Difficulty: Medium

A typical collector used in sulphide mineral floatation is

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. . . . . . . . moderator is used in a fast breeder reactor. In Cu-Al phase diagram, the solubility of Al in Cu at room temperature is about 10% and that of Cu in Al is less than 1%. The Hume-Rothery rule that justifies this difference is Dean and stark apparatus is used in the determination of . . . . . . . . content in liquid fuels. Assertion: a : During hardening of steel, the component to be heat treated is strongly agitated in the quenching medium. Reason : r : The agitation breaks down the vapour barrier allowing the quench to proceed at a more rapid rate. In which of the following methods, close fitting cores are pushed in the cavities?