1. During a steady flow process, the pressure of the working substance drops from200 to 20 psia, the speed increases from 200 to 800 ft/s the internal energydecreases 20 BTU/b and the specific volume increases from 2 to 10 ft2/lb. noheat transferred. determined the work per Ib. it is done or by the substances?Determine the work in HP for 15 lb/min of the fluid.

P1=200psiaSpeed, v1=200 ft/secSpecific volume,v1=2 ft3/lb∆u=-20 BTU/lbm=15 lb/min…

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. determined the work per Ib. it is done or by the substances? Determine the work in HP for 15 lb/min of the fluid.

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. determined the work per Ib. it is done or by the substances? Determine the work in HP for 15 lb/min of the fluid.

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 27RQ: How many Btu/h would be produced in a 12-kW electricheater?

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