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In a steady flow apparatus, a fluid enters with a specific volume of 0.30 m3 /kg, a pressure of 540 kPa  and a velocity of 25 m/s. The inlet port is 40m above the floor and the outlet port is at the floor level.  The fluid exits with a specific volume of 0.82kg/m3 , a pressure of 100 kPa and a velocity of 280 m/s.  The apparatus produces 140kJ of work per kg of fluid and a 12 kJ/kg of heat loss occurs between the  inlet and outlet ports. Determine the amount of change in internal energy in the apparatus in kJ/kg.  Is the internal energy increases or decreases?

In a steady flow apparatus, a fluid enters with a specific volume of 0.30 m3 /kg, a pressure of 540 kPa  and a velocity of 25 m/s. The inlet port is 40m above the floor and the outlet port is at the floor level.  The fluid exits with a specific volume of 0.82kg/m3 , a pressure of 100 kPa and a velocity of 280 m/s.  The apparatus produces 140kJ of work per kg of fluid and a 12 kJ/kg of heat loss occurs between the  inlet and outlet ports. Determine the amount of change in internal energy in the apparatus in kJ/kg.  Is the internal energy increases or decreases?

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
Problem 1.1MA
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In a steady flow apparatus, a fluid enters with a specific volume of 0.30 m3
/kg, a pressure of 540 kPa 
and a velocity of 25 m/s. The inlet port is 40m above the floor and the outlet port is at the floor level. 
The fluid exits with a specific volume of 0.82kg/m3
, a pressure of 100 kPa and a velocity of 280 m/s. 
The apparatus produces 140kJ of work per kg of fluid and a 12 kJ/kg of heat loss occurs between the 
inlet and outlet ports. Determine the amount of change in internal energy in the apparatus in kJ/kg. 
Is the internal energy increases or decreases?

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