General Studies · Hydraulic Turbines
Which of the following types of draft tubes has the minimum efficiency?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Moody spreading draft tube
- 2Conical draft tube
- 3Simple elbow draft tube
- 4Elbow draft tube with varying cross-sectional shape✓
Correct answer
Elbow draft tube with varying cross-sectional shape
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