An air bubble rises from the bottom of a well where the temperature is 25oC, to the surfacewhere the temperature is 27oC. If the depth of the well is 5m and the atmospheric pressure is101.325kPa, determine the following:a. Initial pressure inside the air bubble (P1). b. Volume of air bubble at state 1. c. Volume of air bubble at state 2. d. Percent increase in volume of the bubble.

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Q: Air Oil

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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.