For determining the dryness fraction of a sample of steam at 14 bars, it was passed through a throttling calorimeter attached to the steam main. The pressure and temperature after the throttling process were recorded to be 120KPA and 248°F respectively. Calculate the dryness fraction of steam before passing through the throttling unit. Take cps=2.1KJ/kg for superheated steam.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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1. For determining the dryness fraction of a sample of steam at 14 bars, it was passed
through a throttling calorimeter attached to the steam main. The pressure and
temperature after the throttling process were recorded to be 120KPA and 248°F
respectively. Calculate the dryness fraction of steam before passing through the
throttling unit. Take cps=2.1KJ/kg for superheated steam.
Transcribed Image Text:1. For determining the dryness fraction of a sample of steam at 14 bars, it was passed through a throttling calorimeter attached to the steam main. The pressure and temperature after the throttling process were recorded to be 120KPA and 248°F respectively. Calculate the dryness fraction of steam before passing through the throttling unit. Take cps=2.1KJ/kg for superheated steam.
6. The steam at 200 degree Cand with an entropy of 5.6105KJkg-K expand isothermally to
0.515MP.. For 5kg a) what are the change of entropy, change of enthalpy, and change of
internal energy? Determine the Heat and Work b) for the flow process c) for steady flow
process with change of kinetic energy is zero.
Transcribed Image Text:6. The steam at 200 degree Cand with an entropy of 5.6105KJkg-K expand isothermally to 0.515MP.. For 5kg a) what are the change of entropy, change of enthalpy, and change of internal energy? Determine the Heat and Work b) for the flow process c) for steady flow process with change of kinetic energy is zero.
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