An otto cycle with a compression ratio of 7.5 operates from the suction conditions of 14.2 psia,85°F. Find the pressure and temperature at the end of compression if cold air (k=1.4) is the working substance. A. 238 psia, 759°F B. 204 psia, 489°F C. 187 psia, 575°F D. 125 psia, 450°F

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