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Question # 1 a) State the rst law of Thermodynamics [2 marks] b) Briey explain the operation of a heat engine. [3 marks] c) A

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Question # 1 a) State the rst law of Thermodynamics [2 marks] b) Briey explain the operation of a heat engine. [3 marks] c) A heat engine produces 30, 000 J of mechanical work per second of operation. If its efficiency is 25% how much heat is discharged from this engine per second? [5 marks]

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