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Q23PE

Expert-verifiedFound in: Page 471

Book edition
1st Edition

Author(s)
Paul Peter Urone

Pages
1272 pages

ISBN
9781938168000

**Question: Convert an absolute pressure of to gauge pressure in (This value was stated to be just less than in Example 13.9. Is it?)**

**Answer**

Pressure in terms of lb/in^{2} is 86.95 lb/in^{2}

**We use conversion units to convert N to lb and meters to inches.**

Absolute pressure = $\mathbf{7}\mathbf{\times}{\mathbf{10}}^{\mathbf{5}}\mathit{N}\mathbf{/}{\mathit{m}}^{\mathbf{2}}$

gauge pressure =$5.99\times {10}^{5}N/{m}^{2}$

1 N = 0.2251b

1 meter = 39.37 inches

$5.99\times {10}^{5}\mathrm{N}/{\mathrm{m}}^{2}=\frac{5.99\times {10}^{5}\times 0.225}{39.37\times 39.37}\mathrm{lb}/{\mathrm{in}}^{2}\phantom{\rule{0ex}{0ex}}=86.95\mathrm{lb}/{\mathrm{in}}^{2}$

Therefore, the pressure in new units is ** **which was stated as just less than 90 1b/in^{2}

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