The absolute pressures in mercury at depths of 10 m and 8 m are found to be 100 MPa and 80 MPa, with a specific gravity of 13.6. Determine the approximate value of Q. the ratio of the local atmospheric pressure at 10 m and 8 m. (g=10m.s²) 3.10 O 2.15 O 2.20 O 1.25
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