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A Carnot engine work as refrigerator in ...

A Carnot engine work as refrigerator in between `0^(@)C` and `27^(@)C`. How much energy is needed to freeze `10 kg` ice at `0^(@)C`/

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The correct Answer is:
`79kcal`
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RESONANCE-KTG & THERMODYNAMICS-SECTION
  1. In the above problem, what will be the work performed by the engine?

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  2. The efficiency of Carnot's enegine is 50%. The temperature of its sink...

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  3. A Carnot engine work as refrigerator in between 0^(@)C and 27^(@)C. Ho...

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  4. What is the work efficiecy coefficient in above question?

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  5. A Carnot engine works as a refrigerator in between 250K and 300K. If i...

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  6. Figure shows graphs of pressure vs density for an ideal gas at two tem...

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  7. Suppose a container is evacuated to leave just one molecule of a gas i...

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  8. The avergae speed of nitrogen molecules in a gas is v. If the temperat...

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  9. Keeping the number of moles, volume and pressure the same, which of th...

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  10. Four containers are filled with monoatomic ideal gases. For each conta...

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  11. For a gas sample with N(0) number of molecules, function N(V) is given...

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  12. A certain gas is taken to the five states representes by dots in the g...

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  13. Which of the following quantities is the same for all ideal gases at t...

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  14. Refer to figure in previous question, DeltaU(1) and DeltaU(2) be the c...

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  15. The quantity (2U)/(fkT) represents (where U = internal energy of gas)

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  16. An ideal gas change from state a to state b as shown in Fig. what is t...

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  17. Pressure versus temperature graph of an ideal gas as shown in Fig. C...

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  18. The process DeltaU = 0, for an ideal gas can be best represented in th...

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  19. In the given (V-T) diagram, what is the relation between pressure P(1)...

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  20. In a cyclic process shown on the P -V diargam the magnitude of the wor...

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