The detention time of a circular tank of diameter d and water depth H, for receiving the sewage Q per hour, is

A) $$\frac{{{{\text{d}}^2}\left( {0.011{\text{d}} + 0.785{\text{H}}} \right)}}{{\text{Q}}}$$ B) $$\frac{{{\text{d}}\left( {0.022{\text{d}} + 0.085{\text{H}}} \right)}}{{\text{Q}}}$$ C) $$\frac{{{\text{d}}\left( {0.785{\text{d}} + 0.011{\text{H}}} \right)}}{{\text{Q}}}$$ D) $$\frac{{{\text{d}}\left( {0.285{\text{d}} + 0.011{\text{H}}} \right)}}{{\text{Q}}}$$

Answer & Solution

Correct Answer: Option A

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The detention time of a circular tank of diameter d and...

The detention time of a circular tank of diameter d and water depth H, for receiving the sewage Q per hour, is

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