

MCQOPTIONS
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1. |
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? |
A. | 00 mm dia |
B. | 50 mm dia |
C. | 25 mm dia |
D. | ll of these |
Answer» D. ll of these | |