Home
Class 11
PHYSICS
An engineer claims to have made an engin...

An engineer claims to have made an engine delivering 10 kW power with fuel consumption of `1gs^(-1)` . The calorific value of fuel is 2 k cal / g . His claim

A

Is non-valid

B

Is valid

C

Depends on engine

D

Depends on load

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • SURFACE TENSION

    ERRORLESS |Exercise Exercise|214 Videos

  • THERMOMETRY, THERMAL EXPANSION AND CALORIMETRY

    ERRORLESS |Exercise Self Evaluation Test|15 Videos

Similar Questions

Explore conceptually related problems

What is meant by 'Calorific value of a fuel is 8000 kJ k g^(-1) ?

The fuel having a calorific value of 55 kJ/g is likely to be :

Find the mass of the fuel required to raise the temperature of 2 kg of water in a copper container of mass 1 kg by 88^(@)C . Given calorific value of fuel is 48 MJ kg^(-1) , specific heat capacity of water is 1 cal g^(-1).^(@)C^(-1) and specific heat capacity of copper is 0.095 cal g^(-1).^(@)C^(-1) .

A motor cycle engine delivers a power of 10 kW , by consuming petrol at the rate of 2.4 kg//hour . If the calorific value of petrol is 35.5 MJ//kg , the rate of heat rejection by the exhaust by

ERRORLESS -THERMODYNAMICS-All Questions
  1. If a Carnot’s engine functions at source temperature 127^(@)C and at s...

    Text Solution

    |

  2. In the case of diatomic gas, the heat given at constant pressure is th...

    Text Solution

    |

  3. An ideal monoatomic gas is taken round the cycle ABCD A shown in the ...

    Text Solution

    |

  4. A gas is compressed adiabatically till its temperature is doubled. The...

    Text Solution

    |

  5. A tyre filled with air,(27^(@)C,o and 2 atm ) bursts, then what is tem...

    Text Solution

    |

  6. A gas expands adiabatically at constant pressure such that its tempera...

    Text Solution

    |

  7. P - V diagram of an ideal gas is as shown in figure. Work done by the ...

    Text Solution

    |

  8. An engineer claims to have made an engine delivering 10 kW power with ...

    Text Solution

    |

  9. An ideal gas heat engine operates in a Carnot cycle between 27^(@)C an...

    Text Solution

    |

  10. A gas expands with temperature according to the relation V = kT^(2//3)...

    Text Solution

    |

  11. Three samples of the same gas A,B and C (gamma=3//2) have initially eq...

    Text Solution

    |

  12. Volume versus temperature graph of two moles of helium gas is as shown...

    Text Solution

    |

  13. In the P-V diagram shown in figure ABC is a semicircle. The work done ...

    Text Solution

    |

  14. Heat is supplied to a diatomic gas at constant pressure. The ratio o...

    Text Solution

    |

  15. A gas undergoes a change of state during which 100J of heat is supplie...

    Text Solution

    |

  16. N moles of an ideal diatomic gas are in a cylinder at temperature T. s...

    Text Solution

    |

  17. Three moles of an ideal gas (Cp=7/2R) at pressure, PA and temperature ...

    Text Solution

    |

  18. In a thermodynamic process pressure of a fixed mass of a gas is change...

    Text Solution

    |

  19. In an adiabatic change, the pressure and temperature of a monoatomic g...

    Text Solution

    |

  20. The internal energy of an ideal gas increases during an isothermal pro...

    Text Solution

    |