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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. The workdone in a free expansion process is zero.

    2. A.

    True
    B.

    False

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  2. When a system changes its state from one equilibrium state to another equilibrium state, then the path of successive states through which the system has passed, is known as

    3. A.

    thermodynamic law
    B.

    thermodynamic process
    C.

    thermodynamic cycle
    D.

    none of these

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  3. The fuel mostly used in blast furnace for extracting pig iron from iron ores is

    4. A.

    hard coke
    B.

    soft coke
    C.

    pulverised coal
    D.

    bituminous coal

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  4. The ultimate analysis of coal consists of the determination of the percentage of

    5. A.

    carbon
    B.

    hydrogen and nitrogen
    C.

    sulphur and ash
    D.

    all of these

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  5. The change of entropy, when heat is removed from the gas, is positive.

    6. A.

    Yes
    B.

    No

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