Q.

To avoid vaporisation in the pipe line, the pipe line over the ridge is laid such that it is not more than

  • A2.4 m above the hydraulic gradient 
  • B6.4 m above the hydraulic gradient
  • C10.0 m above the hydraulic gradient
  • D5.0 above the hydraulic gradient
Correct Answer : (B)

6.4 m above the hydraulic gradient

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