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Mechanical Engineering :: Thermodynamics

Thermodynamics - Section 1
Thermodynamics - Section 2
Thermodynamics - Section 3
Thermodynamics - Section 4
Thermodynamics - Section 5
Thermodynamics - Section 6
Thermodynamics - Section 7
Thermodynamics - section-8

  1. One kg of sulphur requires 1 kg of oxygen for complete combustion and produces 2 kg of sulphur dioxide.

    2. A.

    True
    B.

    False

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  2. The change of entropy, when heat is absorbed by the gas, is

    3. A.

    positive
    B.

    negative
    C.

    positive or negative

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  3. A machine which violates the first law of thermodynamics is known as perpetual motion machine of the second kind.

    4. A.

    Correct
    B.

    Incorrect

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  4. Both the Ericsson and Joule's cycle have two constant pressure processes.

    5. A.

    True
    B.

    False

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  5. The general law for the expansion or compression of gases, is

    6. A.

    pv = C
    B.

    pv = m R T
    C.

    pvn = C
    D.

    pvγ = C

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