process? (ii) Sketch pressure-volume (P-V) and temperature-entropy (T-S) diagrams for the Otto cycle. ČLEARLY LABEL THE ENDPOINTS OF EACH PROCESS. Begin with the start of the compression stroke. (iii) Make a table that shows the sign (-ve , 0, +ve) of heat transfer, work transfer, and change in internal energy associated with each process the makes up the Otto cycle. (iv) Shade the area on the P-V diagram which represents the NET work output. (v) Shade the area on the T-S diagram which represents heat transfer INTO the cycle. (vii) Explain how to use data from the T-S diagram to estimate the Otto cycle efficiency. ) Shade the area on the T-S diagram which represent the NET work output. viii) Predict changes in Otto cycle efficiency due to decreased compression ratio.Justify your reasoning using your P-V and T-S diagrams.
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