During a steady flow process, the pressure of the working substance drops from 200 to 20 psia, the speed increases from 200 to 800 ft/s the internal energy decreases 20 BTU/lb and the specific volume increases from 2 to 10 ft/lb. No heat transferred. Determine the following: a)AKE in ft-lb:/lbm 5JAPE in ft-lb:/lbm E)AWi (flow work) ft-lb:/lbm )ΔΗ in BTU e) Net work in hp for 15 lb/min of fluid (use mass flow rate for this item only)
During a steady flow process, the pressure of the working substance drops from 200 to 20 psia, the speed increases from 200 to 800 ft/s the internal energy decreases 20 BTU/lb and the specific volume increases from 2 to 10 ft/lb. No heat transferred. Determine the following: a)AKE in ft-lb:/lbm 5JAPE in ft-lb:/lbm E)AWi (flow work) ft-lb:/lbm )ΔΗ in BTU e) Net work in hp for 15 lb/min of fluid (use mass flow rate for this item only)
Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter2: Matter And Energy
Section: Chapter Questions
Problem 26RQ: How many Btu of heat can be produced by 4 kWh ofelectricity?
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