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  1. M

    CBT - Mech Reference Errors

    Beware, NCEES provided reference manual has errors in their steam table.  Saturation pressure of water at 65F should be 0.3. See http://www.che.ksu.edu/docs/imported/SteamTable.pdf, https://www.engineeringtoolbox.com/water-vapor-saturation-pressure-d_599.html?vA=65&units=F#, and/or...
  2. M

    HVAC&R PM Question

    Hi, I am trying to understand the "why" to question 503 for the HVAC&R PE Practice exam (2017). "Air flowing at a rate of 4800 cfm and initially at 80F / 67F passes through a spray of lithium chloride and water solution that has stabilized at 100F. Assume 0.05 bypass factor for the spray...
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