The inclined-tube manometer shown has (D=76 mathrm{~mm}) and (d=8 mathrm{~mm}), and is filled with Meriam red oil.

Question:

The inclined-tube manometer shown has $D=76 \mathrm{~mm}$ and $d=8 \mathrm{~mm}$, and is filled with Meriam red oil. Compute the angle, $\theta$, that will give a $15-\mathrm{cm}$ oil deflection along the inclined tube for an applied pressure of $25 \mathrm{~mm}$ of water gage. Determine the sensitivity of this manometer.

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