Assume 5 lb/sec of fluid enter a steady flow system with P1=100 psia, ρ1=0.2 lb/cu.ft., v1=100 fps, u1=800 BTU/lb. and leave with P2 = 20 psia, ρ2=0.05 lb/cu.ft, v2=500 fps, and u2=780 BTU/lb. During passage through the open system, it rejects 10 BTU of heat. Determine: (a) the change in kinetic energy in horsepower CHOICES 33.88   18,63354   35.66 (b) the change in internal energy in horsepower CHOICES -141.509   141.509   -100.00 (c) the change in flow work in horsepower CHOICES -130.909   -72,000   130.909 (d) the turbine work of the system in horsepower CHOICES 309.294   167.8   268.7

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Assume 5 lb/sec of fluid enter a steady flow system with P1=100 psia, ρ1=0.2 lb/cu.ft., v1=100 fps, u1=800 BTU/lb. and leave with P2 = 20 psia, ρ2=0.05 lb/cu.ft, v2=500 fps, and u2=780 BTU/lb. During passage through the open system, it rejects 10 BTU of heat.

Determine:

(a) the change in kinetic energy in horsepower

CHOICES

33.88
 
18,63354
 
35.66

(b) the change in internal energy in horsepower

CHOICES

-141.509
 
141.509
 
-100.00

(c) the change in flow work in horsepower

CHOICES

-130.909
 
-72,000
 
130.909

(d) the turbine work of the system in horsepower

CHOICES

309.294
 
167.8
 
268.7
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