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ECAT - Practice Test - Physics - Heat and Thermodynamics Quiz

Attempt 10 MCQs on ECAT - Practice Test - Physics - Heat and Thermodynamics | Quiz 4

31. What is the equation for an adiabatic process?



32. What is the maximum efficiency of a heat engine?



33. What is the Carnot efficiency formula?



34. What does a refrigerator require to transfer heat from cold to hot?



35. What is the COP of a refrigerator?



36. What happens to temperature in free expansion of an ideal gas?



37. For irreversible process, how does entropy change compare to reversible?



38. What type of function is entropy?



39. What is the SI unit of entropy?



40. What heat is needed to melt ice at 0°C?



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