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Efficiency of Carnot engine is 100% if...

Efficiency of Carnot engine is `100%` if

A

`T_(2) = 273 K`

B

`T_(2) = 0 K`

C

`T_(1) = 273 K`

D

`T_(1) = 0 K`

Text Solution

Verified by Experts

The correct Answer is:
B
`eta = 1 - (T_2)/(T_1)` for 100% effeicency `eta=1` which gives `T_(2) = 0K`.
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A2Z-KINETIC THEORY OF GASES AND THERMODYNAMICS-Second Law Of Thermodynamics
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  2. An ideal gas heat engine operates in a Carnot's cycle between 227^(@)C...

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  3. Efficiency of Carnot engine is 100% if

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  4. A Carnot's engine used first an ideal monoatomic gas then an ideal dia...

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  5. A Carnot engine absorbs an amount Q of heat from a reservoir at an abs...

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  6. In a Carnot engine when T(2) = 0^(@)C and T(1) = 200^(@)C its efficien...

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  7. A Carnot engine has the same efficiency between 800 K to 500 K and x K...

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  8. A Carnot's engine is made to work between 200^(@)C and 0^(@)C first an...

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  9. Efficiency of a Carnot engine is 50% when temperature of outlet is 500...

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  10. An ideal heat engine working between temperature T(1) and T(2) has an ...

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  11. An ideal refrigerator has a freezer at a temperature of -13^(@)C. The ...

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  12. In a mechanical refrigerator the low temperature coils are at a temper...

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  13. An engine is supposed to operate between two reservoirs at temperature...

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  14. An ideal gas heat engine operates in Carnot cycle between 227^(@)C and...

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  15. Two Carnot engines are operated in succession. The first engine receiv...

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  16. A Carnot engine whose low temperature reservoir is at 7^(@)C has an ef...

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  17. Carnot cycle (reversible) of a gas represented by a pressure volume cu...

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  18. A motor cycle engine delivers a power of 10 kW, by consuming petrol at...

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