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4

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

A. 2.4 m above the hydraulic gradient

B. 6.4 m above the hydraulic gradient

C. 10.0 m above the hydraulic gradient

D. 5.0 above the hydraulic gradient

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Correct Answer :

B. 6.4 m above the hydraulic gradient


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