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can a room be cooled by leaving the door...

can a room be cooled by leaving the door of a refrigator open ?

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A refrigator takes heat from the things kept inside it and rejects it to the room . Hence the room can not be cooled by leaving its door open .
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BINA LIBRARY-THERMODYNAMICS -EXERCISE
  1. can two isothermal curves intersect each other ?

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  2. What happens when a thermoflask containing some gas is shaken vigorous...

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  3. can a room be cooled by leaving the door of a refrigator open ?

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  4. During adiabatic expansion a gas cools - explain the reason .

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  5. Find the efficiency of a carnot's engine working between 500K and 300K

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  6. An inventor claims to have developed an engine working between 600k an...

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  7. An ideal heat engine takes in heat at 1520K and rejects heat at 380K ....

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  8. An ideal engine takes in heat at 1000K .and rejects heat 300K . Calcul...

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  9. A carnot's engine has an efficiency of 50% when its sinks temperature...

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  10. Find the efficiency of a carnot's engine that works between the tempe...

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  11. Find the efficiency of a carnot's engine that works between the tempe...

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  12. The internal energy of a perfect gas does not change during

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  13. Which of the following phenomena are reversible ?

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  14. The first law of thermodynamics is a law of conversion of

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  15. In reversible process the entropy of the universe

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  16. To melt 1gm of ice completely the amount of work to be done is

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  17. The temperature of source and sink of a carnot engine are 400K and 300...

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  18. 110J of heat is supplied to a gaseous system whose internal energy inc...

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  19. A sample of gas expands from volume V1 to V2 the amount of work done b...

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  20. Efficiency of an engine is eta1 at T1 =200 degree C and T2= 0 degree C...

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