What is the absolute pressure at A measured by an open tube manometer – McqOptions

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1.	What is the absolute pressure at A measured by an open tube manometer as in the figure below? (Assume atmospheric pressure as 103 kN/m2; SA and SB are the specific gravities of the two fluids)
A.	78.5 kN/m2
B.	180 kN/m2
C.	1.30 kN/m2
D.	103 kN/m2
Answer» C. 1.30 kN/m2

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