The water pressure at the base of the water tower shown in the figure is 3.2 bar. The water level is L = 25 m above the tower base. The density of the water is 103 kg/m3 and g = 9.81 m/s?. Air g = 9.81 m/s? Pwater = 103 kg/m³ Water Determine the pressure of the air trapped above the water level, in bar and in Ibf/in?.

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Work and Heat Transfer

It is generally related to thermal engineering which tells about the use, creation, conversion and transfer of heat energy between the systems. It is also considered that to transfer heat from one source to another, transfer of masses is also required. There are various mechanisms by which, transfer of heat takes place i.e. thermal conduction, convection, radiation or by change of phase. All these mechanisms have their own specific features which sometimes occur simultaneously within the same system.