EXAMIANS
Chlorination of water is done for the removal of
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Which one of the following resists hydrogen sulphide corrosion?
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The sewer which collects the discharge from a collecting system and delivers it to a treatment plant, is known
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The settlement velocity of a solid (diameter 0.5 mm, specific gravity 1.75) in water having temperature 10°C, is
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In primary sedimentation, the 0.2 mm inorganic solids get separated if specific gravity is
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Imhoff cone is used to determine
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The recommended detention period for grit chambers is
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If the flame of a miner's safety lamp in the upper layers of the sewer forms an explosive, the sewer certainly contains
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The reduced levels of the string at the consecutive sight rails A and B are 203.575 m, 203.475 m respectively. If the difference of their R.D.s is 10 m, the gradient of the sewer line is
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Oxidation process results in the formation of
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