FIGURE 15-5 -A Reservoir Manometer Consists of a U-Tube in Which the in Which

question 23

Multiple Choice

FIGURE 15-5
-A reservoir manometer consists of a U-tube in which the two arms have different diameters, as shown in Figure 15-5. The diameter on the narrow side is 10.0 mm and the diameter on the reservoir side is 25.0 mm. The liquid in the manometer is oil with a density of 830 kg/m³ and the fluids in contact with the oil are gases of negligible density. The dotted line indicates the level of the oil when the pressures p₁ and p₂ are equal. What is the value of h when p₁ - p₂ = 1000 Pa?

• A) 10.6 cm
• B) 12.3 cm
• C) 8.40 cm
• D) 9.81 cm
• E) 13.2 cm

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