Home
Class 11
PHYSICS
A carnot engine works between 600 K and ...

A carnot engine works between 600 K and 300 K. In each cycle of operation, the engine draws 1000 J of heat energy from source. The efficiency of the engine is

A

0.5

B

0.7

C

0.2

D

0.8

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS

    MBD|Exercise EXERCISE|18 Videos

  • THERMAL PROPERTIES OF MATTER

    MBD|Exercise EXERCISE|14 Videos

  • UNITS AND MEASUREMENTS

    MBD|Exercise EXERCISE|14 Videos

Similar Questions

Explore conceptually related problems

A steam engine delivers 5.4 xx 10^8J of work per minute and services 3.6 xx 10^9J of heat per minute from its boiler. What is the efficiency of the engine? flow much heat is wasted per minute?

A Carnot engine absorbs 300 cal of heat from a reservoir and rejects 250 cal of heat at 300 K during each cycle. Calculate: The efficiency of engine.

A carnot engine works between constant temps. T_1 and T_2 of source and sink resp. For efficiency to be greatest

Consier a Carnot's cycle operating between T_1 = 500 K and T_2 = 300 K producing 1 k J of mechanical work per cycle. Find the heat transferred to the engine by the reservoirs.

A Carnot heat engine working between 27^@ C and 127@ C takes up 800 J of heat from the reservoir in one cycle.The work done by engine is :

What are the main essentials of Carnot's reversible heat engine? Explain its working and efficiency of the engine.

MBD-THERMODYNAMICS-EXERCISE
  1. A carnot engine works between 600 K and 300 K. In each cycle of operat...

    Text Solution

    |

  2. An ideal gas with pressure P, volume V and temperature T is expanded i...

    Text Solution

    |

  3. A litre of hydrogen at 27^@C and 10^5 Nm^-2 pressure expand isothermal...

    Text Solution

    |

  4. A volume of gas at atmospheric pressure is compressed adiabatically to...

    Text Solution

    |

  5. The efficiency of an ideal engine is 1/8. By lowering the temperature ...

    Text Solution

    |

  6. What thermodynamical variable is defined by Zeroth law

    Text Solution

    |

  7. Is it possible to convert internal energy into work?

    Text Solution

    |

  8. An ideal gas is compressed at a contant temperature. Will its internal...

    Text Solution

    |

  9. Does the internal energy of an ideal gas change in an isothermal proce...

    Text Solution

    |

  10. How is the efficiency of a Carnot engine affected by the nature of the...

    Text Solution

    |

  11. If the door of a refrigerator is kept open, the room in which the refr...

    Text Solution

    |

  12. Why first law of thermodynamics does not forbid flow of heat from lowe...

    Text Solution

    |

  13. What do you mean by "internal energy"?

    Text Solution

    |

  14. Fill in the Blanks: Air escaping from a cycle-tube becomes .

    Text Solution

    |

  15. Can two isothermal curves intersect each other? Why?

    Text Solution

    |

  16. What do you mean by reversible and irreversible process? Give example.

    Text Solution

    |

  17. Write two characterstics of a reversible process.

    Text Solution

    |

  18. State first law of thermodynamics.

    Text Solution

    |

  19. Show that PV^(gamma) = constant for adiabatic process.

    Text Solution

    |