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If the temperature of the sinkis decreas...

If the temperature of the sinkis decreased, then the efficiency of heat engine

A

first increases then decrease

B

increases

C

decreses

D

remains unchanged

Text Solution

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The correct Answer is:
B
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NARAYNA-KINETIC THEORY OF GASES-C.U.Q
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  2. Two steam engines 'A' and 'B', have their sources respectively at 700K...

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  3. If the temperature of the sinkis decreased, then the efficiency of hea...

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  4. An ideal heat engine can be 100% efficient if its sink is at

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  5. If the temperature of a source increases, then the efficiency of a hea...

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  6. When heat is added to a system then the following is not possible?

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  7. A sink, that is a system where heat is rejected, is essential for the ...

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  8. The efficiency of a Carnot heat engine

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  9. An ideal heat engine working between temperature T(H) and T(L) has eff...

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  10. The efficiency of the reversible heat engine is eta(r) and that of irr...

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  11. In a heat engine, the temperature of the working substance at the end ...

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  12. The adiabatic and isothermal elasticities B(phi) and B(theta) are rela...

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  13. For the indicator diagram given below, select wrong statement?

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  14. The door of a running refrigerator inside a room is left open. The cor...

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  15. Which of the following will extinguish the fire quickly?

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  16. Which of the following is true in the case of molecules, when ice melt...

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  17. When two blocks of ice are pressed against each other then they stick ...

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  18. A cubical box containing a gas with internal energy U is given velocit...

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  19. A cubical box containing a gas is moving with some velocity. If it is ...

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  20. Which one of the following is wrong statement.

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