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Need help on how to figure out the problems (Steam)

  1. Oct 11, 2012 #1
    1. The problem statement, all variables and given/known data
    Determine by using steamtables for 2kg of steam
    - Boiling point if pressure is 5MPa
    - pressure if the boiling point is 195°C
    - enthalpy of evaporation at pressure 2800kPa
    - total elathapy in MJ required to produce 2kg of wet steam with dryness factor of 0.7 at a pressure of 4MPa

    What equations would I need to solve the problem?


    2. Relevant equations

    What equations would I need to solve the problem?

    3. The attempt at a solution
    My book isn't very descriptive and its the first time in 5 years im doing physics, long distance learning as well.

    I just need help in the right direction to solve the problem
     
  2. jcsd
  3. Oct 11, 2012 #2
    Doesn't the problem ask you to use the steam tables?
    Or is an answer to that question part of the problem also?
     
  4. Oct 11, 2012 #3
    Yes it does ask to use the steam tables. Im just more lost as to use which equations with the steam tables to help with my problem
     
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