The pressure of a gas in a pipeline is measured with a mercury manometer having one limb open. The difference in the level of the two limbs is 562mm. Calculate the gas pressure in terms of bar.
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The pressure of a gas in a pipeline is measured with a mercury manometer having one limb open. The difference in the level of the two limbs is 562mm. Calculate the gas pressure in terms of bar.
The pressure of a gas in a pipeline is measured with a mercury manometer having one limb open. The difference in the level of the two limbs is 562mm. Calculate the gas pressure in terms of bar.
The difference in the level of the two limbs = Pgauge
Pgauge = Pabs – Patm
Pabs – Patm = 562mm of Hg
Pabs – 101.39 = ρgh = 13.6 × 103 × 9.81 × 562/1000 = 75.2 × 103 N/m2
= 75.2KPa
Pabs = 101.39 + 75.2 = 176.5kPa
ANS: P = 176.5kPa