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Air is used to heat a room. The flow rate of the entering air to the heating unit is(2.50 m3 /s) at 17°C and 100 kPa. The entering air passes through a heating unit that uses (15 kJ/s) for the electric coils. If the heat loss from the heating unit is 200 W, what is the temperature of the exit air?

Air is used to heat a room. The flow rate of the entering air to the heating unit is(2.50 m3 /s) at 17°C and 100 kPa. The entering air passes through a heating unit that uses (15 kJ/s) for the electric coils. If the heat loss from the heating unit is 200 W, what is the temperature of the exit air?

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
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Air is used to heat a room. The flow rate of the entering air to the heating unit is(2.50 m³ /s) at 17°C and 100 kPa. The entering air passes through a heating unit that uses (15 kJ/s) for the electric coils. If the heat loss from the heating unit is 200 W, what is the temperature of the exit air? Assume Cp air =1 kJ/Kg. °C
Transcribed Image Text:Air is used to heat a room. The flow rate of the entering air to the heating unit is(2.50 m³ /s) at 17°C and 100 kPa. The entering air passes through a heating unit that uses (15 kJ/s) for the electric coils. If the heat loss from the heating unit is 200 W, what is the temperature of the exit air? Assume Cp air =1 kJ/Kg. °C
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