Q
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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A
A. D² (0.011d + 0.785h)/q
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B
B. D (0.022d + 0.085h)/q
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C
C. D (0.785d + 0.011h)/q
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D
D. D (0.285d + 0.011h)/q
Correct Answer:
A. A. D² (0.011d + 0.785h)/q
