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  1. S

    Air table or Cp equation for compressor work

    When we calculate air compressor power for isentropic compression, I am little confused whether to use air table or cp equation.  My understanding is if "ideal gas" is given in problem we should use mdot*cp*deltaT coz cp is constant for ideal gas. But there is no mention of "ideal gas" in...
  2. S

    MD study for TF exam takers

    Approximately one month to go and I know everybody is falling in love(?) with books and sample exams.  I selected TF because I found if I select TF then I would see only 8 problems from MD in morning according to NCEES spec. I could say HVAC morning is be a part of TF. It means I can focus on...
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