Q
Scour valves are provided ______________?
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A
A. At street corners to control the flow of water
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B
B. At every depression and dead ends to drain out the waste water that may collect there
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C
C. At the foot of rising main along the slope to prevent back running of water
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D
D. At every summit of rising mains
Correct Answer:
B. B. At every depression and dead ends to drain out the waste water that may collect there
