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NCAT - Practice Test - Physics - Thermodynamics - Quiz 7

Practice 10 high yield MCQs on Physics from Chapter Thermodynamics for Practice Test. After submission, get instant results with correct answers and detailed explanations. This is Quiz 7 of the series.

61. A heat engine absorbs 1000 J of heat from a hot reservoir and rejects 400 J to cold. The work done is:



62. The efficiency of the heat engine in question above is:



63. The entropy of the universe in any real process:



64. In a reversible process, the total entropy change of the system and surroundings is:



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Instructions: Select one answer per question. After submitting, you will see your score, correct answers, and explanations.

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