English: 0.7 bar by this manometer you can measure it cross sectional area at point 2 is half of that in point 3 here, pressure at point 1 is 1.7 So, according to these saw you no problem you have to find out what should be the pressure at point 2 here, pressure at point 2, you have to find out pressure at .1 is given to a here you that is here 1.7 bar pressure at .3 P₃ is given that is, you know that pressure difference that you know p₁ - p₃ that is given here 0.7 bar.
Telugu: 3 P₃ వద్ద 1.7 బార్ ప్రజర్ ఇవ్వబడింది,మీకు తెలిసిన ఒత్తిడి వ్యత్యాసం మీకు తెలుసు p₁ - p₃ ఇక్కడ 0.7 బార్ ఇవ్వబడుతుంది.