Physics · Fluid Machinery

For two straight conical draft tubes, A and B, the head loss due to friction is equal to 0.4 times the velocity head at the outlet. If the inlet-to-outlet diameter ratio is 0.56 for draft tube A and 0.71 for draft tube B, which of the following statements is correct for the same discharge through both tubes?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

Correct answer

Draft tube A is more efficient.

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