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The first law of thermodynamics confirms...

The first law of thermodynamics confirms the law of …………….. .

A

conservation of momentum

B

conservation of energy

C

flow of heat in a particular direction

D

conservation of heat energy and mechanical energy

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The correct Answer is:
b
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  3. The first law of thermodynamics confirms the law of …………….. .

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  10. The mechanical equivalent of heat J is :

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  11. Which of the following process is reversible ?

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  12. An ideal gas heat engine operators in a carnot's cycle between 227^(@)...

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  14. A gas is compressed at a constant pressure of 50N//m^(2) from a volume...

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  15. If Q, E and W denote respectively the heat added, change in internal e...

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  16. A carnot engine takes heat from a reservoir at 627^(@)C and rejects he...

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  17. A carnot engine operates with source at 127^(@)C and sink at 27^(@)C. ...

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  18. The ratio of the specific heats CP/CV = gamma in terms of degrees of f...

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