nayana-c1.867c992ae9100904cc61c84591adf0f8f863e0387e30f0d0dbc86640e9f50a1a.en.test.7944

The task

Which of the following best explains why exit head loss (h0) is not computed in this case? A. The culvert design does not require head loss calculations. B. The energy grade line is already determined by the tailwater depth and velocity head. C. Exit head loss calculations are too complex for this scenario. D. The tailwater depth is negligible in this case. Return only the single uppercase letter of the correct option.