6.(40 pts) Fill in the blanks for the properties of water. For each thermodynami

Question

6.(40 pts) Fill in the blanks for the properties of water. For each thermodynamic state,two properties are given. If necessary, you may use the following in the appropriate blanks: M (Meaningless or Undefined or I (Indeterminate). For the state, indicate one and only one of the following saturated liquid, saturatea vapor, liquid-vapor mixture, compressed liquid,or superheated vapor Complete and annotate T-v diagram Indicate with an & the approximate state location(s) and write the pressure and State (Quality) temperature values (a) 145 415.68 (b) 95 0.00104 (c) 300 20,000 (d) 800 1000

Explanation / Answer

for condition a ) From Mollier diagram at a pressure of 4.1568 bar saturation temperature is 145 degree and given temperature is 145 degree hence state is saturated vapour, quality x = 1, specific volume is 0.463 m3/kg

for condition b) saturation pressure at 95 degree temp and .00104 m3/kg is 0.8455 bar. steam is saturated and quality (X=1)

for condition c) For 200 bar pressure saturation temperature is 365.8 degree and given temp is 300 degree so steam is liquid vapour mixture and quality is less than 1 (X<1) , Volume is more than .002036 m3/kg and less than .006.

for condition d) Saturation temerature at 10 bar is 180 degree and given temperature is 800 so state of steam is superheated and quality x>1, specific volume is 0.494 m3/kg

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