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The detention period of a rectangular tank is given by _______

(a) t0 = LBH/Q

(b) t0 = LB/HQ

(c) t0 = Q/LBH

(d) t0 = HQ/LB

This question was addressed to me in an interview for internship.

The above asked question is from Design Elements of Sedimentation in chapter Sedimentation of Environmental Engineering

1 Answer

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Best answer
The correct choice is (a) t0 = LBH/Q

For explanation: The detention period of a rectangular tank is given by t0 = LBH/Q where L is the length, B, is the breadth and H is the height of rectangular tank and Q = discharge rate.

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