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Rearrange the names of tanks used in sew...

Rearrange the names of tanks used in sewage treatment as per the flow of procedure.
a) settling tank
b) Grit Chamber
c) aeration tanks
d) primary sedimentation tank.

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In the sewage treatement, bacterial flocs are allowed to sediment iin a settling tank. This sediment is calld as

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Knowledge Check

  • In the sewage treatment, bacterial flocs are allowed to sediment in a setting tank. This sediment is called as

    A
    inactivated sludge
    B
    activated sludge
    C
    primary sludge
    D
    secondary sluge

  • Given below are the steps involved in sewage treatment. Arrange them in proper sequence and select the correct option. A. Passage of primary effluent into large aeration tanks for mechanical agitation and pumping of air. B. Passage of secondary effluent and formation of activated sludge. C. Physical removal of particles through filtration and sedimentation D. Release of effluent from the secondary treatment plant into natural water bodies. E. Growth of useful aerobic microbes into flocs which significantly reduce the BOD.

    A
    A,C, B, E, D
    B
    A,B,C,D,E
    C
    C,A,E,B,D
    D
    C,E,A,B,D

  • Select the correct sequence of events in a sewage treatment process. A. Passages of primary effluent into large aeration tanks for mechanical agitation and pumping or air . B. Passage of effluent into the settings tank and formation of activated sludge. C. Physical removal of particles thought filtration and sedimentation . D. Release of effluent from the secondary temperature plant into natural water bodies. E. Growth of useful aerobic microbes into flocs which significantly reduce the BOD.

    A
    A,C,B,E,D
    B
    A,B,C,D,E
    C
    C,A,E,B,D
    D
    C,E,A,B,C

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    A and B are two tanks, such that capacity of A is 3 times that of B. Both tanks are completely filled and their inlets are closed. Now water is released from the tanks. The rate of flow of water from each tank is proportional to the water in the tank at that instant. If after 1 hours, the water in time A is 2 times the water in tank B. Of both tanks have same quantity of water after time (log_(2m)(m)) . then find (1/m).

    A sewage treatment plant involves the following steps in its working : Aerotion tank,Grit and sand removal tank, Second sedimentation tank, Bar screen, First sedimentation tank Arrange all the above steps in the correct order in which they occur in the sewage treatment plant.

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