In the Bayer’s process, bauxite is digested under pressure using ___________________?

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The most suitable material of construction for a sewer to carry sewage under high pressure is________________________?

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Breakeven point represents the condition, when the company runs under no profit no loss condition. In break even analysis, total cost comprises of fixed cost________________?

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The lightest non-inflammable gas is_________________?

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A high pressure boiler generates steam at a pressure greater than _____________________ kg/cm2 ?

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