Which is the longest earthen dam in the world
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Naraj
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Rengali
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Hirakud
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None
C
Correct answer
Explanation
Hirakud Dam, built across the Mahanadi River near Sambalpur, is the longest earthen dam in the world at 15 km in length. It was completed in 1957 and serves irrigation and hydroelectric power generation. Naraj and Rengali are smaller dam projects on the same river.