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Mechanical Engineering :: Thermodynamics

  1. Which of the following statement is correct?

  2. A.

    The increase in entropy is obtained from a given quantity of heat at a low temperature.

    B.

    The change in entropy may be regarded as a measure of the rate of the availability or unavailability of heat for transformation into work.

    C.

    The change in entropy may be regarded as a measure of the rate of the availability or unavailability of heat for transformation into work.

    D.

    all of the above


  3. The elements are made up of minute and chemically invisible particles as atoms.

  4. A.

    True

    B.

    False


  5. All perfect gases change in volume by 1 / 273th of its original volume at 0°C for every 1°C change in temperature, when the pressure remains constant. This statement is called

  6. A.

    Boyle's law

    B.

    Charles' law

    C.

    Gay-Lussac law

    D.

    Joule's law


  7. A good fuel should have __________ ignition point.

  8. A.

    high

    B.

    low


  9. The amount of heat generated per kg of fuel is known as

  10. A.

    calorific value

    B.

    heat energy

    C.

    lower calorific value

    D.

    higher calorific value