If the equivalent head is measured as 400 m and g=9.8m/s^2 , what is the pressure of mercury with relative density 13.6 and that of water?

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Answer 1 · 2018-07-03T00:08:21

#39.2\text{ bar}#

Height of mercury column

#h=\frac{400}{13.6}=500/17\ m#

The pressure of mercury

#=\rhogh#

#=13600\times9.8\times 500/17#

#=3920000\ Pa#

#=39.2\text{ bar}#