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CSS Solved Papers
Physics Chemistry

Engineering :: Heat Engines

  Free air is air at
[A]. Atmospheric conditions at any specific location[B]. 1 kg/cm2 and atmospheric temperature
[C]. 1 kg/cm2 and 0?C[D]. 1 kg/cm2 and 20?C
[E]. 1 kg/cm2 and 27?C    

Answer: Option A
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