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15 kg/min air is compressed. The inlet and outlet conditions are: v1 = 10 m/s, P1 = 1 bar, V1 = 0.5 m3/kg v2 = 80 m/s, P2 = 7 bar, V2 = 0.15 m3/kg.   The change in enthalpy is 160 kJ/kg, and heat exchange is -720 kJ/min.   If the inlet and discharge lines are at the same level, determine W in kW and the ratio of inlet to outlet pipe diameter respectively. a. 28.8kW, 2.83 b. 28.8kW, 5.16 c. 52.8kW, 5.16 d. 52.8kW, 2.83

15 kg/min air is compressed. The inlet and outlet conditions are: v1 = 10 m/s, P1 = 1 bar, V1 = 0.5 m3/kg v2 = 80 m/s, P2 = 7 bar, V2 = 0.15 m3/kg.   The change in enthalpy is 160 kJ/kg, and heat exchange is -720 kJ/min.   If the inlet and discharge lines are at the same level, determine W in kW and the ratio of inlet to outlet pipe diameter respectively. a. 28.8kW, 2.83 b. 28.8kW, 5.16 c. 52.8kW, 5.16 d. 52.8kW, 2.83

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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15 kg/min air is compressed. The inlet and outlet conditions are:
v1 = 10 m/s, P1 = 1 bar, V1 = 0.5 m3/kg
v2 = 80 m/s, P2 = 7 bar, V2 = 0.15 m3/kg.
 
The change in enthalpy is 160 kJ/kg, and heat exchange is -720 kJ/min.
 
If the inlet and discharge lines are at the same level, determine W in kW and the ratio of inlet to outlet pipe diameter respectively.
a. 28.8kW, 2.83
b. 28.8kW, 5.16
c. 52.8kW, 5.16
d. 52.8kW, 2.83
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