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Q. |
From following which equation is used to measure negative pressure in u-tube manometer |
A. | s2h2 + s1h1 |
B. | s2h2 - s1h1 |
C. | - s2h2 + s1h1 |
D. | - s2h2 - s1h1 |
Answer» D. - s2h2 - s1h1 |
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