The maximum efficiency of transmission of power through a pipe is

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BPSC AE Paper V Mechanical 2024 Official Paper
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  1. 33.3%
  2. 66.66%
  3. 50%
  4. 25%

Answer (Detailed Solution Below)

Option 2 : 66.66%
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Detailed Solution

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Explanation:

Efficiency of power transmission through pipe is given by,

\(\eta =\frac{H-{{h}_{f}}}{H}\)

Here, H = head available at inlet

hf = frictional head loss

For maximum power transmission through pipe,

\({{h}_{f}}=\frac{H}{3}\)

\(\Rightarrow \eta =\frac{H-\frac{H}{3}}{H}=\frac{2}{3}=0.6667\)

So, ηmax = 66.67%

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