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civil engineering hydraulics
1. A pipe of 0.1 m2 cross sectional area suddenly enlarges to 0.3 m2 cross-sectional area. If the discharge of the pipe is 0.3 m3 /sec, the head loss is
(A): 1g m of water
(B): 2/g m of water
(C): g m of water.
(D): g/2 m of water
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