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A p-V diagram has been obtained from a test on a reciprocating compressor. Which of the following represents that diagram?
Correct Option: D
At the time of intake, intake valve operates only when the pressure inside the cylinder is lower than the atmospheric pressure. And appreciable large pressure difference at the time of suction starting, causing fluttering at initial. At the time of compression, process followed is Polytropic and continues till pressure exceeds the delivery line pressure for opening the delivery valve.