For the manometer set up shown in the figure, the pressure difference PA – PB is given by_________________? / Chemical Engineering / Q&A, MCQs / Q&A / By admin For the manometer set up shown in the figure, the pressure difference PA – PB is given by_________________? A. (ρH – ρair)gH (Correct)B. (ρH – ρL)gHC. (ρH – ρL) gH + (ρL – ρair) . g(L – H)D. (ρH – ρL) gL + (ρL – ρair)gH