Air undergoes a polytropic process from 1034 kPa, 169 degrees C and 0.028 cubic meter to 158 kPa with n =1.3. Determine:   (ANSWER MUST BE EXACT TO CHOICES)   a) final temperature in degrees Celsius   CHOICES   13.551   -8.331   -7.824   b) the final volume in cubic meter   CHOICES   0.1517   0.1317   0.1187   c) the heat transferred in kJ   CHOICES   8.48   9.48   8.98

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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.