Q. What is the upflow velocity considered for a UASB while treating domestic waste water?

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Q. What is the retention time considered for a UASB while designing at 16-19 degree Celsius?

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Q. What is the retention time considered for a UASB while designing at 22-26 degree Celsius?

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Q. What is the retention time considered for a UASB while designing at > 26 degree Celsius?

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Q. Calculate the volume for the UASB with the following details.

Flow: 120 m³/h
COD: 350 mg/L
UASB load considered: 6 Kg COD/ m³

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Q. Calculate the volume for the UASB with the following details.

Flow: 240 m³/h
COD: 350 mg/L
UASB load considered: 8 Kg COD/ m³

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Q. Cations with ______ increase corrosivity.

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Q. _______ is the universal solvent.

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Q. Total dissolved solids consist of cations only.

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Q. _______ is used as an indicator test to determine the general quality of the water.

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Q. TDS decreases the efficiency of hot water heaters.

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Q. At what temperature is the filtrate dried in a TDS laboratory test?

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Q. What is the temperature required to remove occluded water?

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Q. What is the standard for TDS for aesthetic considerations?

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Q. On which of the factors does the relationship between TDS and conductivity does not depend on?

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Q. The primary dissolved solids are assumed to be _________

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Q. What is the secondary standard for TDS?

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Q. The treatment options for an elevated total dissolved solid depends on _______

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Q. What is the process by which Total dissolved solids are removed?

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Q. What is the limit of total dissolved solids in treated water which is to be used for the gardening purpose?

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