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1- Calculate the dryness fraction (quality) of steam which has 1.5 kg of water in suspension with 50 kg of steam.

1- Calculate the dryness fraction (quality) of steam which has 1.5 kg of water in suspension with 50 kg of steam.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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2 %0 l. Ii. . 7:1Y 5310126247118900636_2 h.w 1- Calculate the dryness fraction (quality) of steam which has 1.5 kg of water in suspension with 50 kg of steam. 2-A vessel having a volume of 0.6 m3 contains 3.0 kg of liquid water and water vapour mixture in equilibrium at a pressure of 0.5 MPa. Calculate (1) Mass and volume of liquid ; (2) Mass and volume of vapour 3-Determine the missing properties and the phase descriptions in the following table for water: T, °C Р, КРа u, kJ/kg Phase description (a) 200 0.6 (Ь) 125 1600 (c) 1000 2950 (d) 75 500 (e) 850 0.0 4-Determine the specific volume of superheated water vapor at 10 MPa and 400°C. 5-A 1.8-m3 rigid tank contains steam at 220°C. Onethird of the volume is in the liquid phase and the rest is in the vapor form. Determine (a) the pressure of the steam, (b) the quality of the saturated mixture. 6- Find the specific volume, enthalpy and internal energy of wet steam at 18 bar, dryness fraction 0.85. 7- Find the dryness fraction, specific volume and internal energy of steam at 7 bar and enthalpy 2550 kJ/kg. II
Transcribed Image Text:2 %0 l. Ii. . 7:1Y 5310126247118900636_2 h.w 1- Calculate the dryness fraction (quality) of steam which has 1.5 kg of water in suspension with 50 kg of steam. 2-A vessel having a volume of 0.6 m3 contains 3.0 kg of liquid water and water vapour mixture in equilibrium at a pressure of 0.5 MPa. Calculate (1) Mass and volume of liquid ; (2) Mass and volume of vapour 3-Determine the missing properties and the phase descriptions in the following table for water: T, °C Р, КРа u, kJ/kg Phase description (a) 200 0.6 (Ь) 125 1600 (c) 1000 2950 (d) 75 500 (e) 850 0.0 4-Determine the specific volume of superheated water vapor at 10 MPa and 400°C. 5-A 1.8-m3 rigid tank contains steam at 220°C. Onethird of the volume is in the liquid phase and the rest is in the vapor form. Determine (a) the pressure of the steam, (b) the quality of the saturated mixture. 6- Find the specific volume, enthalpy and internal energy of wet steam at 18 bar, dryness fraction 0.85. 7- Find the dryness fraction, specific volume and internal energy of steam at 7 bar and enthalpy 2550 kJ/kg. II
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