Water-and-waste-water Questions Set 43:
How many types of aerators are commonly used in the treatment of water?
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What is the concentration of H+ ions in moles/L in water if the pOH value is 6?
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Range of Displacement efficiency in the plain sedimentation tank is ___________
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In which form of solute stabilization, hydrogen sulfide in water is oxidized into sulfate?
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The quantity of water flowing per hour per unit horizontal area is called ________
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Detention time for a circular tank is given by _______
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What is the settling velocity of the particle if its diameter is 2 * 10-3cm. Given G=2.65, viscosity v=8 * 10-3cm2/Sec?
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Flocculation of iron from water by the addition of lime is an example of which of the following process?
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For a flow of 5.7 MLD (million litres per day) and a detention time of 2 hours, the surface area of a rectangular sedimentation tank to remove all particles having settling velocity of 0.33 mm/s is
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The alkalinity and the hardness of a water sample are 250 mg/L and 350 mg/L as CaCO3, respectively. The water has
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