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A 2kW, 40ltrs water heaters is switched on for 20minutes. The heat capacity cp for water is 4.2kJ/ kg-K. Assuming all the electrical energy has gone into heating the water, Determine increase of the water temperature.

A 2kW, 40ltrs water heaters is switched on for 20minutes. The heat capacity cp for water is 4.2kJ/ kg-K. Assuming all the electrical energy has gone into heating the water, Determine increase of the water temperature.

Refrigeration and Air Conditioning Technology (MindTap Course List)
Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter45: Domestic Refrigerators And Freezers
Section: Chapter Questions
Problem 12RQ: Refrigerators currently being manufactured in the United States are using______as their refrigerant.
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A 2kW, 40ltrs water heaters is switched on for 20minutes. The heat capacity cp for water is 4.2kJ/ kg-K. Assuming all the electrical energy has gone into heating the water, Determine increase of the water temperature.
Transcribed Image Text:A 2kW, 40ltrs water heaters is switched on for 20minutes. The heat capacity cp for water is 4.2kJ/ kg-K. Assuming all the electrical energy has gone into heating the water, Determine increase of the water temperature.
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