To avoid vapourisation, pipe lines are laid over the ridge so that the – McqOptions

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1.	To avoid vapourisation, pipe lines are laid over the ridge so that these are above the hydraulic gradient line, not more than
A.	2.4 m
B.	6.4 m
C.	10.0 m
D.	5.0 m.
Answer» C. 10.0 m

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