Home
Class 12
PHYSICS
A reversible engine converts one-sixth o...

A reversible engine converts one-sixth of heatinput into work. When the temperature of sink is reduced by `62^@C`. its efficiency is doubled. Find the temperature, of source and sink.

Promotional Banner

Topper's Solved these Questions

  • THERMAL PROPERTIES OF MATTER (HEAT TRANSFER)

    MBD PUBLICATION|Exercise QUESTION BANK|217 Videos

  • VECTOR ANALYSIS

    MBD PUBLICATION|Exercise QUESTION BANK|250 Videos

Similar Questions

Explore conceptually related problems

A reversible Carnot engine working between two temperatures converts 1/6 th of the heat supplied into useful work. If the lower temperature is reduced by 65^@C , its efficiency is double. Find the temperatures of source and sink.

A Carnot engine is working between two temperature 327^@C and 227^@C , find its efficiency.

If a carnot engine is working between temperatures 27^@C and 227^@C , what is its efficiency ?

A Carnot engine has an efficiency of 30% when the temperature of sink is 56^@C . How should the temperature of source be increased if the engine efficiency is to be increased to 80% ?

What is efficiency of an engine where source and sink are at same temperature ?

Draw a graph between efficiency and the temperature of the source of a Carnot’s engine, when the sink temperature is constant.

What happens to the efficiency of a carnot engine if the temperature of the sink is lowered keeping that of source constant ?

MBD PUBLICATION-THERMODYNAMICS-QUESTION BANK
  1. Ina Carnot engine the temperature of the source and sink are 500 K and...

    Text Solution

    |

  2. Ina Carnot engine the temperature of the source and sink are 500 K and...

    Text Solution

    |

  3. A reversible engine converts one-sixth of heatinput into work. When th...

    Text Solution

    |

  4. In a refrigerator the inside temperature is at 270 K and the room temp...

    Text Solution

    |

  5. A refrigerator has to transfer an averageof 200 Joule ofheat per sec f...

    Text Solution

    |

  6. On increasing the pressure, the melting point of ice decreases while w...

    Text Solution

    |

  7. Differentiate between evaporation and boiling.

    Text Solution

    |

  8. Define critical temperature, critical pressure and critical volume.

    Text Solution

    |

  9. What do you mean by Hygrometry ?

    Text Solution

    |

  10. Define dew point.

    Text Solution

    |

  11. What is relative humidity ?

    Text Solution

    |

  12. A substance absorbs an amount of heat Q1 in going from one state to an...

    Text Solution

    |

  13. A mixture of oxygen and inflammable gas is burnt in a closed vessel pl...

    Text Solution

    |

  14. A mixture of oxygen and inflammable gas is burnt in a closed vessel pl...

    Text Solution

    |

  15. A mixture of oxygen and inflammable gas is burnt in a closed vessel pl...

    Text Solution

    |

  16. Answer the following questions: A piece of lead is hammered. Does the ...

    Text Solution

    |

  17. Answer the following questions: A hot piece of iron is immersed in col...

    Text Solution

    |

  18. Answer the following questions: Why are the brake-drums of a car heate...

    Text Solution

    |

  19. Answer the following questions: Two balls of the same metal having mas...

    Text Solution

    |

  20. Answer the following questions: An ideal gas is compressed ate consta...

    Text Solution

    |