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Example 3 A house requires 2 x 10³ kJ/h for heating in winter. Heat pump is used to absorb heat from cold air outside in winter and send heat to the house. Work required to operate the heat pump is 3x 10¹ kJ/h. Determine: (i) Heat abstracted from outside ; (ii) Co-efficient of performance.

Example 3 A house requires 2 x 10³ kJ/h for heating in winter. Heat pump is used to absorb heat from cold air outside in winter and send heat to the house. Work required to operate the heat pump is 3x 10¹ kJ/h. Determine: (i) Heat abstracted from outside ; (ii) Co-efficient of performance.

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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Example 3 A house requires 2 x 105 kJ/h for heating in winter. Heat pump is used to absorb heat from cold air outside in winter and send heat to the house. Work required to operate the heat pump is 3x 10¹ kJ/h. Determine : (i) Heat abstracted from outside ; (ii) Co-efficient of performance.
Transcribed Image Text:Example 3 A house requires 2 x 105 kJ/h for heating in winter. Heat pump is used to absorb heat from cold air outside in winter and send heat to the house. Work required to operate the heat pump is 3x 10¹ kJ/h. Determine : (i) Heat abstracted from outside ; (ii) Co-efficient of performance.
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