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QI/Answer A or B A /what is the first law of thermodynamics, explain with the help of equations. B What the different between heat engines and heat pumps, explain with the help of a systems diagram.

QI/Answer A or B A /what is the first law of thermodynamics, explain with the help of equations. B What the different between heat engines and heat pumps, explain with the help of a systems diagram.

Introduction to Chemical Engineering Thermodynamics
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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PART ONE: THERMAL QI/'Answer A or B A /what is the first law of thermodynamics, explain with the help of equations. B/What the different between heat engines and heat pumps, explain with the help of a systems diagram. Q2/ Air enters an adiabatic nozzle steadily at 300 kPa, 200°C, and 30 m/s and leaves at 100 kPa and 180 m/s. The inlet area of the nozzle is 80 cm2. Determine (a) the mass flow rate through the nozzle, (b) the exit temperature of the air, and (c) the exit area of the nozzle. R=0.287 kJkg.K, CP1.005 KJkg K. Q3/ A mass 0.25 kg of methane gas at 130 kPa &120°C. The gas isothermally is expanded to 100 kPa. Determine the work done during the process, take R= 0.2968 kJ/kg K.
Transcribed Image Text:PART ONE: THERMAL QI/'Answer A or B A /what is the first law of thermodynamics, explain with the help of equations. B/What the different between heat engines and heat pumps, explain with the help of a systems diagram. Q2/ Air enters an adiabatic nozzle steadily at 300 kPa, 200°C, and 30 m/s and leaves at 100 kPa and 180 m/s. The inlet area of the nozzle is 80 cm2. Determine (a) the mass flow rate through the nozzle, (b) the exit temperature of the air, and (c) the exit area of the nozzle. R=0.287 kJkg.K, CP1.005 KJkg K. Q3/ A mass 0.25 kg of methane gas at 130 kPa &120°C. The gas isothermally is expanded to 100 kPa. Determine the work done during the process, take R= 0.2968 kJ/kg K.
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