Ch 21 HW Part 2 Problem 21.35 View?assignmentProblemID-78597142&offset-next Problem 21.35 In winter, you like to keep your house interior at 21.0 °C. Your geothermal heating system, which was advertised as being reversible, draws thermal energy from an underground reservoir at 348 K. In a cold winter, with the average outdoor temperature being 0.0 °C thermal energy escapes from the house at a rate of 1000 W±5%. Distributing the thermal energy supplied by the heating system throughout the house requires 174 W (provided by the heating system). Ignore any inefficiency in converting electrical energy to mechanical energy. Part A What is the maximum possible efficiency of the heating system? ΜΕ ΑΣΦ Tmax Submit My Answers Give Up Part B ? What is the efficiency of the heating system for the thermal output of 1000 W? 19 ΑΣΦ Part C Submit My Answers Give Up This question will be shown after you complete previous question(s). Resources previous 5 of 1 Provide Feedback Contir
Ch 21 HW Part 2 Problem 21.35 View?assignmentProblemID-78597142&offset-next Problem 21.35 In winter, you like to keep your house interior at 21.0 °C. Your geothermal heating system, which was advertised as being reversible, draws thermal energy from an underground reservoir at 348 K. In a cold winter, with the average outdoor temperature being 0.0 °C thermal energy escapes from the house at a rate of 1000 W±5%. Distributing the thermal energy supplied by the heating system throughout the house requires 174 W (provided by the heating system). Ignore any inefficiency in converting electrical energy to mechanical energy. Part A What is the maximum possible efficiency of the heating system? ΜΕ ΑΣΦ Tmax Submit My Answers Give Up Part B ? What is the efficiency of the heating system for the thermal output of 1000 W? 19 ΑΣΦ Part C Submit My Answers Give Up This question will be shown after you complete previous question(s). Resources previous 5 of 1 Provide Feedback Contir
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
Transcribed Image Text:Ch 21 HW Part 2
Problem 21.35
View?assignmentProblemID-78597142&offset-next
Problem 21.35
In winter, you like to keep your house interior at
21.0 °C. Your geothermal heating system, which
was advertised as being reversible, draws thermal
energy from an underground reservoir at 348 K. In
a cold winter, with the average outdoor
temperature being 0.0 °C thermal energy escapes
from the house at a rate of 1000 W±5%.
Distributing the thermal energy supplied by the
heating system throughout the house requires
174 W (provided by the heating system). Ignore
any inefficiency in converting electrical energy to
mechanical energy.
Part A
What is the maximum possible efficiency of the heating system?
ΜΕ ΑΣΦ
Tmax
Submit
My Answers Give Up
Part B
?
What is the efficiency of the heating system for the thermal output of 1000 W?
19 ΑΣΦ
Part C
Submit
My Answers Give Up
This question will be shown after you complete previous question(s).
Resources
previous 5 of 1
Provide Feedback
Contir
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