Question: 5. In a petrol engine cylinder the maximum volume (at the outer end of the stroke) is 0.0042 m3 and the minimum volume at the

5. In a petrol engine cylinder the maximum volume (at the outer end of the stroke) is 0.0042 m3 and the minimum volume at the end of compression is 0.00042m3. The pressure at start of compression is 100 kPa. The compression and expansion strokes are polytrophic, n=1.24 in compression and n=1.6 in expansion. Two constant volume processes connect the compression and expansion processes to form a thermodynamic cycle. a) What is the work done on the system during the compression stroke? b) If the pressure at the end of the expansion stroke is 100.5kPa, what is the work done by the expansion stroke? c) Will the car move if this engine is designed for a car requested at least 300 J to move?

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