Q. How many types of sedimentation tanks are there on the basis of the method of operation?

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Q. In which type of sedimentation, the flocculent suspension of the intermediate concentration takes place?

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Q. In which type of sedimentation, the flocculent suspension of high concentration takes place?

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Q. When the impurities are separated by the gravitation of settling particles, the operation is called ______

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Q. What is the settling velocity of the particle in the wastewater if its diameter is 2 * 10⁻³ cm. Given G=2.65, viscosity v=8 * 10⁻³ cm²/Sec?

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Q. Which of the following cannot be the velocity of flow in the horizontal flow sedimentation tank?

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Q. The deviation from the ideal flow of wastewater in the sedimentation tank causes ____________

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Q. The overflow rate for a plain sedimentation tank is ______ litre/day/metre².

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Q. The detention period for a sedimentation tank where coagulation takes place is ____________

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Q. The test for finding the optimum coagulant dose in water is ____________

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Q. The quantity of water flowing per hour per unit horizontal area is called ____

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