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Q4: dry air at 20 °C and 1 bar is to be liquified by the simple linde system the air is isothermally compressed at 20 °C to 170 bars. The make-up air is supplied to the system at 20 °C and 1 bar. Find the yield of liquid air in kg per kg of air compressed before throttling. Given: 1. h (at 20 °C and 1 bar) is 506 kJ/kg, 2. h (at 20 °C and 170 bar) is 473 kJ/kg, 3. h (at 1 bar) is 92 kJ/kg, 4. hg (at 1 bar) is 292 kJ/kg

Q4: dry air at 20 °C and 1 bar is to be liquified by the simple linde system the air is isothermally compressed at 20 °C to 170 bars. The make-up air is supplied to the system at 20 °C and 1 bar. Find the yield of liquid air in kg per kg of air compressed before throttling. Given: 1. h (at 20 °C and 1 bar) is 506 kJ/kg, 2. h (at 20 °C and 170 bar) is 473 kJ/kg, 3. h (at 1 bar) is 92 kJ/kg, 4. hg (at 1 bar) is 292 kJ/kg

ENGR.ECONOMIC ANALYSIS
ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN:9780190931919
Author:NEWNAN
Publisher:NEWNAN
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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Q4: dry air at 20 °C and 1 bar is to be liquified by the simple linde system the air is isothermally compressed at 20 °C to 170 bars. The make-up air is supplied to the system at 20 °C and 1 bar. Find the yield of liquid air in kg per kg of air compressed before throttling. Given: 1. h (at 20 °C and 1 bar) is 506 kJ/kg, 2. h (at 20 °C and 170 bar) is 473 kJ/kg, 3. h (at 1 bar) is 92 kJ/kg, 4. hg (at 1 bar) is 292 kJ/kg
Transcribed Image Text:Q4: dry air at 20 °C and 1 bar is to be liquified by the simple linde system the air is isothermally compressed at 20 °C to 170 bars. The make-up air is supplied to the system at 20 °C and 1 bar. Find the yield of liquid air in kg per kg of air compressed before throttling. Given: 1. h (at 20 °C and 1 bar) is 506 kJ/kg, 2. h (at 20 °C and 170 bar) is 473 kJ/kg, 3. h (at 1 bar) is 92 kJ/kg, 4. hg (at 1 bar) is 292 kJ/kg
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