The critical pressure at which the latent heat of vaporization of steam becomes zero is _____________ Kg/cm2 ? August 20, 2021February 11, 2019 by admin The critical pressure at which the latent heat of vaporization of steam becomes zero is _____________ Kg/cm2 ? A. 273.15B. 225.65 C. 100.03 D. 373.15