The water in a time is pressurized by air and the pressure is measured by a multi fluid manometer as shown find gauge pressure of air in the tank if height 1 is 2 m height to is point 3 M height 3 is 0.46 cm find 46 M take density of water oil and mercury to be 1000 kilogram perimeter cube and 850 gram perimeter cube and 13
600kilogram per metre respectively
