1. A quantity of steam at a pressure of 2MN/m2 has a volume of 0.75 m3 and an enthalpy content of 21.5 MJ. Determine: a. The dryness fraction of steam. b. The mass of the steam C. If some of this steam is throttled to a pressure of 1 MN.m?, determine the quality of the steam after throttling 2. In a power plant, the feedwater stream at 50°C and 1 MPa is to be heated with superheated vapor at 200 °C and 1 MPa. The mixture exits the heater as saturated liquid at the same pressure. Determine the ration of the mass flow rates of the feedwater to superheated vapor. T 50°C H20 (P = 1000 kPa) sat. liquid T2 200°C

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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1. A quantity of steam at a pressure of 2MN/m2 has a volume of 0.75 m3 and an enthalpy content
of 21.5 MJ. Determine:
a. The dryness fraction of steam.
b. The mass of the steam
If some of this steam is throttled to a pressure of 1 MN.m?, determine the quality of the
steam after throttling
С.
2. In a power plant, the feedwater stream at 50°C and 1 MPa is to be heated with superheated
vapor at 200 °C and 1 MPa. The mixture exits the heater as saturated liquid at the same
pressure. Determine the ration of the mass flow rates of the feedwater to superheated vapor.
T 50°C
m
H2O
(P = 1000 kPa)
sat.
liquid
T2 = 200°C
1;
Transcribed Image Text:1. A quantity of steam at a pressure of 2MN/m2 has a volume of 0.75 m3 and an enthalpy content of 21.5 MJ. Determine: a. The dryness fraction of steam. b. The mass of the steam If some of this steam is throttled to a pressure of 1 MN.m?, determine the quality of the steam after throttling С. 2. In a power plant, the feedwater stream at 50°C and 1 MPa is to be heated with superheated vapor at 200 °C and 1 MPa. The mixture exits the heater as saturated liquid at the same pressure. Determine the ration of the mass flow rates of the feedwater to superheated vapor. T 50°C m H2O (P = 1000 kPa) sat. liquid T2 = 200°C 1;
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