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A system has a mass velocity of 0.5 kg/s. The enthalpy, speed and height at the entrance of the system are worth respectively 55.6 Kcal/kg, 30 m/s and 90 m. At the exit, the new values ​​of enthalpy, speed and height are 55 Kcal/kg, 0.30 m/s and -3 m. 2.5 Kcal/s are communicated to the system. What amount of work is done by the system: a) per kg of fluid, b) per minute, c) expressed in horsepower?

A system has a mass velocity of 0.5 kg/s. The enthalpy, speed and height at the entrance of the system are worth respectively 55.6 Kcal/kg, 30 m/s and 90 m. At the exit, the new values ​​of enthalpy, speed and height are 55 Kcal/kg, 0.30 m/s and -3 m. 2.5 Kcal/s are communicated to the system. What amount of work is done by the system: a) per kg of fluid, b) per minute, c) expressed in horsepower?

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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A system has a mass velocity of 0.5 kg/s. The enthalpy, speed and height at the entrance of the system are worth respectively 55.6 Kcal/kg, 30 m/s and 90 m. At the exit, the new values ​​of enthalpy, speed and height are 55 Kcal/kg, 0.30 m/s and -3 m. 2.5 Kcal/s are communicated to the system. What amount of work is done by the system: a) per kg of fluid, b) per minute, c) expressed in horsepower?

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