Question 1 (variation a) Five litres (5 L) of saturated water steam is contained in a piston-cylinder device and is kept at 100 °C. The piston is frictionless. Four litres (4 L) of the steam is in the saturated vapour state, the rest is in the saturated liquid state. Calculate: (a) Total mass of the steam. (b) The quality of the steam. (c) The amount of heat required to completely change the steam to saturated vapour. (d) Represent the process on a T-v and a P-v diagrams.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Question 1 (variation a)
Five litres (5 L) of saturated water steam is contained in a piston-cylinder device and is kept
at 100 °C. The piston is frictionless. Four litres (4 L) of the steam is in the saturated vapour
state, the rest is in the saturated liquid state. Calculate:
(a) Total mass of the steam.
(b) The quality of the steam.
(c) The amount of heat required to completely change the steam to saturated vapour.
(d) Represent the process on a T-v and a P-v diagrams.
Transcribed Image Text:Question 1 (variation a) Five litres (5 L) of saturated water steam is contained in a piston-cylinder device and is kept at 100 °C. The piston is frictionless. Four litres (4 L) of the steam is in the saturated vapour state, the rest is in the saturated liquid state. Calculate: (a) Total mass of the steam. (b) The quality of the steam. (c) The amount of heat required to completely change the steam to saturated vapour. (d) Represent the process on a T-v and a P-v diagrams.
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For part c, shouldn't the mass be the mass of the liquid? not the entire mass? 

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