29. The work steady flow for an open system is 3.12 HP. During steady flow process, the pressure of the working substance drops from 200 psia to 20 psia and the speed increases from 200 to 1000 fps. The internal energy decreases 25 BTU/lbm and the specific volume increases from 1 ft^3/lbm to 8 ft^3/lbm. Sketch the pV diagram and computenthe heat in HP for 10 lbm/min of the substance. 28. A.centrifugal air compressor compresses 200 cfm from 12 psia to 90 psia. The initial specificvoleme is 12.6 and final specific volume is 3.25 If the intet suction lite is 4" LD. and thedischarge line is 2.5 I.D. Determinet-b(a.) The change in flow energy between the boundaries inbe(b.) the mass fiow rate inand(c) the change in velocity in Ips.29. The work steady flow for an open system is 3.12 HP. During steady llow process, the pressureof the working substance drops from 200 psia to 20 psia and the speed increases from 200 to1000 fps. The internel energy decreases 25MTUand the specific volume increases from 1Ihto8 Sketch the pV diagram and compute the heat in HP for 10of the substance.min30.Compute the total work done by a gas system following compression processes as shownbelow. Express your answer in KJ.P(bar)

Given:-W=3.12 HP∆U= -24 BTU/lbmm˙ = 10 lbm/minP1=200 psiaC1=200 fpsV1=1 ft3/ lbmP2=20 psiaC2=1000…

Answered: 29. The work steady flow for an open…

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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29. The work steady flow for an open system is 3.12 HP. During steady flow process, the pressure of the working substance drops from 200 psia to 20 psia and the speed increases from 200 to 1000 fps. The internal energy decreases 25 BTU/lbm and the specific volume increases from 1 ft^3/lbm to 8 ft^3/lbm. Sketch the pV diagram and computenthe heat in HP for 10 lbm/min of the substance.

28. A.centrifugal air compressor compresses 200 cfm from 12 psia to 90 psia. The initial specific
voleme is 12.6 and final specific volume is 3.25 If the intet suction lite is 4" LD. and the
discharge line is 2.5 I.D. Determine
t-b
(a.) The change in flow energy between the boundaries in
be
(b.) the mass fiow rate in
and
(c) the change in velocity in Ips.
29. The work steady flow for an open system is 3.12 HP. During steady llow process, the pressure
of the working substance drops from 200 psia to 20 psia and the speed increases from 200 to
1000 fps. The internel energy decreases 25
MTU
and the specific volume increases from 1
Ih
to
8 Sketch the pV diagram and compute the heat in HP for 10
of the substance.
min
30.Compute the total work done by a gas system following compression processes as shown
below. Express your answer in KJ.
P(bar)

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