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Mechanical Engineering :: Thermodynamics

  1. The lower calorific value of fuel may be obtained by adding the heat of steam formed during combustion to the higher calorific value.

  2. A.

    Yes

    B.

    No

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  3. One kg of carbon monoxide requires 4/7 kg of oxygen and produces

  4. A.

    11/3 kg of carbon dioxide gas

    B.

    7/3 kg of carbon monoxide gas

    C.

    11/7 kg of carbon dioxide gas

    D.

    8/3 kg of carbon monoxide gas

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  5. The molecular mass expresssed in gram (i.e. 1 g - mole) of all gases, at N. T. P., occupies a volume of

  6. A.

    0.224 litres

    B.

    2.24 litres

    C.

    22.4 litres

    D.

    224 litres

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  7. The absolute zero pressure will be

  8. A.

    when molecular momentum of the system becomes zero

    B.

    at sea level

    C.

    at the temperature of - 273 K

    D.

    at the centre of the earth

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  9. The gas in cooling chamber of a closed cycle gas turbine is cooled at

  10. A.

    constant volume

    B.

    constant temperature

    C.

    constant pressure

    D.

    none of these

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