Q. Which color indicates the fresh sewage?

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Q. The color of the septic sewage is __________

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Q. The odor in wastewater is measured by __________

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Q. In India, the average temperature of sewage is __________

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Q. Identify the incorrect statement from the following?

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Q. _______ indicates the freshness of sewage.

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Q. ______ represents the number of dilutions required to reduce odor.

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Q. The odor quality of Amines is __________

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Q. The odor quality of compound is ammoniacal. Identify the type of compound from the following options.

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Q. The wastewater from the kitchen is an example of __________

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Q. The type of wastewater from the flushing operation of toilet is __________

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Q. The temperature of sewage increases. What will be the effect on the dissolved oxygen in sewage?

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Q. What is the minimum quantity of dissolved oxygen that should be present in the treated sewage?

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Q. The presence of which of the following in sewage indicates nitrogen content before decomposition of sewage?

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Q. The presence of free ammonia in sewage represents ____________

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Q. Which chemical is used for the titration of waste water for finding its chloride content?

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Q. The type of solids which floats in sewage is __________

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Q. The presence of which of the following indicates old pollution?

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Q. ________ is used to find the D.O content of sewage.

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Q. The permissible dose of chloride in domestic sewage is __________

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