Que. | Scour valve are provided : |
- A. at street cornes to control the flow of water
- B. at every despression and dead ends to drain out the waste water that may collect there
- C. at the foot of rising main along the slope at prevent back running of water
- D. at every summit of rising mains
Right Answer is :
✓ B. at every despression and dead ends to drain out the waste water that may collect there
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