35-37: A turbine is designed in such a way that the steam enters at the top 180 m from the outlet. The steam entering at 2MPa, 400°C with an enthalpy of 3596.939 kJ/kg, leaves at 15 kPa and an enthalpy of 2780.26 kJ/kg. Its velocity when it enters is almost negligible compared to its outlet velocity of 170 m/s. Heat is also absorbed while it passes through the turbine at a rate of 40 MW. If the steam flows at 8 kg/s. 35. What is the enthalpy change of the steam? * Mark only one oval. 00 816.679 kJ/kg -816.679 kJ/kg 6533.432 kJ/kg -6533.432 kJ/kg
35-37: A turbine is designed in such a way that the steam enters at the top 180 m from the outlet. The steam entering at 2MPa, 400°C with an enthalpy of 3596.939 kJ/kg, leaves at 15 kPa and an enthalpy of 2780.26 kJ/kg. Its velocity when it enters is almost negligible compared to its outlet velocity of 170 m/s. Heat is also absorbed while it passes through the turbine at a rate of 40 MW. If the steam flows at 8 kg/s. 35. What is the enthalpy change of the steam? * Mark only one oval. 00 816.679 kJ/kg -816.679 kJ/kg 6533.432 kJ/kg -6533.432 kJ/kg
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Transcribed Image Text:35-37: A turbine is designed in such a way that the steam enters at the top 180 m
from the outlet. The steam entering at 2MPa, 400°C with an enthalpy of 3596.939
kJ/kg, leaves at 15 kPa and an enthalpy of 2780.26 kJ/kg. Its velocity when it enters is
almost negligible compared to its outlet velocity of 170 m/s. Heat is also absorbed
while it passes through the turbine at a rate of 40 MW. If the steam flows at 8 kg/s.
35. What is the enthalpy change of the steam? *
Mark only one oval.
00
816.679 kJ/kg
-816.679 kJ/kg
6533.432 kJ/kg
-6533.432 kJ/kg
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