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In a rectangular horizontal flow tank, the maximum permissible velocity is ____ m/Sec.

(a) 3

(b) 0.3

(c) 0.03

(d) 0.003

I have been asked this question by my school teacher while I was bunking the class.

This is a very interesting question from Types of Settling Tanks topic in division Sedimentation and Chemical Clarification of Environmental Engineering

1 Answer

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Right option is (b) 0.3

To elaborate: In the rectangular tank, the ideal conditions are that the flow is horizontal, velocity is uniform in all directions and the maximum permissible limit of velocity is 0.03m/Sec.

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