Chemical Engineering :: Mechanical Operations
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Pick out the wrong statement.
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Which of the following oxides is not present in hematite iron ore?
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Ribbon blenders are exclusively meant for
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In closed circuit grinding as compared to open circuit grinding, the
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Pick out the correct statement.
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Gelatinous solid (which plug the septum) can be filtered by a __________ filter.
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During the washing of cake
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The opening of a 200 mesh screen (Taylor series) is
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A gravity decanter is meant for the separation of two __________ density.
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The most suitable filter for the removal of very small amount of precipitate from very large volumes of water is the __________ filter.
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A.
Angle of repose is always greater than the angle of slide.
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B.
A hopper is a small bin with a sloping bottom.
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C.
A silo is a short height vessel of very large diameter used for the storage of high volatile matter coal.
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D.
Pine oil is used as a 'modifying agent' (for activating or depressing the adsorption of filming agents) in froth floatation process.
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