For the given manometer
(a) P1 + ρ1d2g = P2 + ρ2d2g
(b) P1 + ρ1d1g = P2 + ρ2d2g
(c) P1 + ρ1d1g = P2 + ρ2d2g + ρ3d3g
(d) None of the mentioned
I got this question in an interview for internship.
The above asked question is from Pressure and Hydrostatic Head-I in portion Introductory Concepts of Chemical Process Calculation