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In a residential colony, sewers of diameters 100 mm, 150 mm and 225 mm were laid with a gradient 1 in 120. Which portion of the sewage system does not choke in due course of time?
Civil Engineeringmedium
A100 mm dia.
B150 mm dia.
225 mm dia.
DAll of these
Correct Answer: C. 225 mm dia.
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