Hello.
If the hydrostatic pressure in the tank is 100hPa and the external pressure is 1013hPa, then in the mercury u-tube manometer the level of manometric liquid will be:
1013hPa - 100hPa = 913hPa
913hPa = -684.8mmHg ("-" because external pressure is higher) (?)
Am I right?
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Topic: u-tube manometer; pressure (Read 909 times)