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Pressure formula

  1. Sep 10, 2011 #1
    1. The problem statement, all variables and given/known data
    I've attached the question.


    2. Relevant equations



    3. The attempt at a solution
    Okay i have figured out the quality, which is 0.9/0.9 +0.1 = 0.9.
    after that im not sure. What formula/s should I be using??
     

    Attached Files:

  2. jcsd
  3. Sep 10, 2011 #2
    Re: pressure/temperature

    What is the course? Is the problem from your text book?
     
  4. Sep 10, 2011 #3
    Re: pressure/temperature

    its thermodynamics and no its not from my textbook. For part a) i couldn't find a formula or anything that helps me work out the initial temperature. I'm thinking that i have to use the property tables for saturated water, and at 800kPa the saturated temperature is 170.41.would that be correct?
     
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