Civil Engineering MCQAE Level Civil Engineering
Freeboard in a dam is the vertical distance between:
Irrigation EngineeringFreeboard in DamMEDIUM
Choose the correct answer
A
Crest of dam and foundation
B
Top of dam (dam crest) and Maximum Water Level (MWL)
C
Maximum Water Level (MWL) and FRL
D
Spillway crest and dam crest
Correct Answer
B. Top of dam (dam crest) and Maximum Water Level (MWL)
Why is this the answer?
Freeboard is defined as the vertical distance between the top of the dam (dam crest) and the Maximum Water Level (MWL) reached during the design flood. The original explanation correctly identified this, but the original option B incorrectly listed FRL instead of MWL.
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