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SRMJEE 2019 Paper with key

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Question : 14

Total: 140

A domestic refrigerator is loaded with food and the door closed. During a certain period themachine consumes 1 KWh of energy and the internal energy of the system drops by 5000KJ.Find the net heat transfer for the system.

-8.6 MJ
86MJ
-86MJ
-8.6KJ

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