The settling tank of surface overflow rate of 4.5 × 10^{– 4} m^{3}/m^{2}/s is used for design discharge of 2m^{3} /s. What is the surface area (m^{2} ) of the settling tank?

SSC JE Civil Engineering 2018 Set 4 Solved Paper

Question : 125 of 200

Marks: +1, -0

The settling tank of surface overflow rate of 4.5 × 10

^{– 4}

^{3}

^{2}

/s is used for design discharge of 2m

^{3}

/s. What is the surface area (m

^{2}

) of the settling tank?

Solution:

Surface area of settling tank (A) = Discharge/ surface over flow rate
A = 2/ (4.5 × 10

^{- 4}

) = 4444.44
Take A = 4000m

^{2}

(take this as a closest given option)

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