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An air-standard Otto cycle has a compression ratio of 6 and the temperature and pressure at the beginning of the compression process are 520°R and 14.2 lbf/in.², respectively. The heat addition per unit mass of air is 600 Btu/lb. Determine (a) the maximum temperature, in °R.(b) the maximum pressure, in lbf/in.² .(c) the thermal efficiency.(d) the mean effective pressure, in lbf/in.².(Enter (c) the thermal efficiency in percent)

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