Q. Which type of reactor is used for mixing chemicals in water treatment?

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Q. Which reactors are characterized by non-continuous reactions?

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Q. In which type of reactor, mixing is uniform?

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Q. Which type of reactor is not used for oxidation?

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Q. Which type of reactor is not subjected to back mixing?

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Q. Which type of reactor is used for stripping off gases from water?

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Q. Which type of reactor is used in ion exchange or adsorption?

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Q. Which type of reactor is used in precipitation reactions?

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Q. In which type of reactor diffusion and dispersion contribute to solid fluxes into and out of the reactor?

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Q. Which of these is the mathematical representation of a condition of a plug flow reactor after a tracer is added?

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Q. What is the mathematical representation of a completely stirred reactor after a tracer is added?

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Q. Screening and comminution are preliminary treatment processes.

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Q. _____ devices remove materials which would damage equipment or interfere with a process.

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Q. __________ represents the heavier inert matter in wastewater.

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Q. Supplemental means of aeration are often employed with an equalization basin to provide better mixing.

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Q. Which of the following should be provided in the case where aeration is absent?

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Q. Which process is employed to gain sufficient head for the wastewater?

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Q. What is the most common used coagulant?

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Q. What is the intermediate zone composed of in aerobic-anaerobic ponds?

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Q. Nitrification efficiency is significantly suppressed as the temperature is _________

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