GATE XE · 2026 · XE-I
Question 186: Energy Resources and Conversion Technologies
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Question 186
XE-IMCQ2 marksNeeds review
A hydro turbine works under a head of 20 m and has a maximum volume flow rate of 4 m³ s⁻¹ and a speed of 750 rpm. Determine the speed (in rpm) in order to operate the same turbine at approximately the same efficiency under a head of 5 m.
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2026XE-I
GATE XE 2026 · Paper 1
Engineering Sciences · Original paper archive
- Section
- Section XE-I
- Question type
- Multiple choice (MCQ)
- Marks
- 2 marks
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