Show and expalin all steps in solution.Iso-butane at initial temperature of 10C is flowing with the entry velocity of 5 ft/s inside the pipe of 2 inch diameter. At the exit the diameter of the pipe is enlarged to 5 inches. The height change from the initial to final stage is 2 ft. Local gravity is 32.0 ft/s2. The initial pressure is 1.5 bar.  Make a Temperature-Volume  plot showing all pressures, temperatures and stages. What is mass flow rate in lbm/s? Use NIST to find the density at the inlet. What is the exit velocity of the stream in ft/s if the temperature of the iso-butane is the same, but pressure drops to 1.45 bar?  What is internal energy change?  Was heat added or removed from the pipe?

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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.