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The overall efficiency of a Pelton turbine is 70%. If the mechanical efficiency is 85%, what is its hydraulic efficiency?
  • a)
    82.4%
  • b)
    59.5%
  • c)
    72.3%
  • d)
    81.5%
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
The overall efficiency of a Pelton turbine is 70%. If the mechanical e...

∴  hydraulic eff. = (0.70/0.85) x 100 = 82.4%
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Most Upvoted Answer
The overall efficiency of a Pelton turbine is 70%. If the mechanical e...
Given:
Overall efficiency of Pelton turbine = 70%
Mechanical efficiency = 85%

To find:
Hydraulic efficiency

Solution:

Overall efficiency of Pelton turbine is given by the product of hydraulic efficiency and mechanical efficiency.

Overall efficiency = Hydraulic efficiency x Mechanical efficiency

70% = Hydraulic efficiency x 85%

Hydraulic efficiency = (70/85) x 100%

Hydraulic efficiency = 82.4%

Therefore, the hydraulic efficiency of the Pelton turbine is 82.4%.

Answer: Option A
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The overall efficiency of a Pelton turbine is 70%. If the mechanical efficiency is 85%, what is its hydraulic efficiency?a)82.4%b)59.5%c)72.3%d)81.5%Correct answer is option 'A'. Can you explain this answer?
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