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Two engineers A and B are given identical samples of 1 kg air at 100 kPa...

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Physics

Two engineers A and B are given identical samples of 1 kg air at100 kPa pressure and 300 K temperature. They are both asked tocompress the air in order to raise the pressure to 800 kPa andreduce the volume to one-fifth of the initial volume. Engineer Achooses to compress the air isothermally until the pressure reaches500 kPa, and then further increase the gas pressure in an isochoricprocess until the desired pressure is reached. On the other hand,Engineer B chooses to increase the gas pressure isochorically untilthe pressure reaches 800 kPa, and then reduce the volume atconstant pressure in order to reach the desired final state. (a) Ona p-V diagram, please show the processes followed by Engineers Aand B. (b) Please calculate the work done, heat transferred andchange in internal energy for the processes followed by Engineers Aand B. Please record your answers in the following Table. For heattransferred, please specify the direction of heat transfer, and forwork done, please specify whether work was done on or by thegas.

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