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प्रश्न
Name the states involved in Ganga action plan.
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उत्तर
Uttarakhand, Uttar Pradesh, Bihar, West Bengal and Jharkhand.
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संबंधित प्रश्न
Explain the process of secondary treatment given to the primary effluent up to the point it shows significant change in the level of biological oxygen demand (BOD) it.
Three water samples namely river water, untreated sewage water and secondary effluent discharged from a sewage treatment plant were subjected to BOD test. The samples were labelled A, B and C; but the laboratory attendant did not note which was which. The BOD values of the three samples A, B and C were recorded as 20 mg/L, 8 mg/L and 400 mg/L, respectively. Which sample of the water is most polluted? Can you assign the correct label to each, assuming the river water is relatively clean?
Describe how do 'flocs' and 'activated sludge' help in Sewage Treatment.
Name the chamber in which the suspended objects are filtered and removed during sewage treatment?
Rearrange the names of tanks used in sewage treatment as per the flow of the procedure.
- Settling tank
- Grit Chamber
- Aeration tanks
- Primary sedimentation tank.
Which of the following is TRUE about primary treatment?
During tertiary treatment, the bacterial floes sediment in the sedimentation tank, this sediment is called ____________.
During sewage, treatment biogas is produced wits which include:
Which of the following is put into Anaerobic sludge disaster for further sewage treatment?
BOD of waste water is estimated by measuring the amount of ______.
Study the given diagram of the Sewage Treatment Plant (S.T.P.) and answer the question that follows:
- Which one of the two 'S.T.P.' (A) or (B) will be more effective in treating the human excreta in municipal waste?
- Write the steps followed in carrying the treatment of the sewage in step (Z), once the BOD of sewage is reduced significantly till it is passed on to the "anaerobic sludge digesters".
Which one is wrongly matched?
In a sewage treatment plant, grit comprising soil and small pebbles is removed during which stage and process?
What are 'flocs' in the context of biological wastewater treatment?
Biochemical Oxygen Demand (BOD) serves as an indirect measure of which water quality parameter?
Which mixture of gases is collectively produced as biogas during anaerobic sludge digestion?
Which action plans were initiated by the Ministry of Environment and Forests to construct sewage treatment plants and protect major Indian rivers from pollution?
