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Calculate maximum eta for an heat engi...

Calculate maximum `eta` for an heat engine operating between `27^(@)` C to `127^(@)`C.

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`eta=(T_(2)-T_(1))/(T_(2))=(400-300)/(400)=25%`
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BANSAL-THERMODYNAMICS-Exercise 3
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  2. Predict sigh of work done in following reactions at constant pressu...

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  3. The gas is cooled such that it loses 65 J of heat . The gas contr...

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  4. The enthalpy of combustion of glucose is- 2808 kJmol^(-1) at 25^(@) ...

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  5. When a system is taken from state A and B along the path ACB, 80J o...

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  6. Five moles of an ideal gas at 300 K, expanded isothermally from a...

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  7. Find the work done when one mole of the gas is expanded reversi...

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  8. Two mole of ideal diatomic gas (C("v,m")=5//2R) at 300 K and 5 atm exp...

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  9. Calculate the work done the system in a irreversible (single step ) ...

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  10. 1 mole of CO(2) gas as at 300 K is expanded under reversible adiaba...

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  11. One mole of an ideal monoatomic gas is carried through the reversil...

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  12. One mole of an ideal monoatomic gas is put throught reverslible pat...

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  13. One mole of a prefect put throught a cycle consiting of the ...

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  14. Water expands when it freezes. Determine amount of work done in ...

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  15. Lime is made commercially by decomposition of limestonese, CaCO(3)...

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  16. The enthy change for the reaction of 50 ml of ethylene with 50. 0 m...

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  17. What is DeltaU when 2.0 mole of liquid water vaporise at 100^(@)C ...

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  18. If 1.0 kcal of heat is added to 1.2 L of O(2) in a cyclinder of co...

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  19. A heat engine absorbs 760 kJ heat from a source at 380kK . It rejects...

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  20. The efficiency of a carnot cycle is 1//6 . On decreasing the tempert...

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  21. A Carnot cycle has an efficiency of 40% . Its low temperature resr...

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