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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 general gas equation is (where p = Pressure, v = Volume, m = mass, T = Absolute temperature, and R = Gas constant)

    2. A.

    pv = mRT
    B.

    pv = RTm
    C.

    pvm = C
    D.

    pv = (RT)m

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  2. The work ratio of simple gas turbine cycle depends upon

    3. A.

    maximum cycle temperature
    B.

    minimum cycle temperature
    C.

    pressure ratio
    D.

    all of these

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  3. The gas constant (R) is equal to the

    4. A.

    sum of two specific heats
    B.

    difference of two specific heats
    C.

    product of two specific heats
    D.

    ratio of two specific heats

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  4. Select the wrong statement

    5. A.

    A Joule cycle consists of two constant volume and two isentropic processes.
    B.

    An Otto cycle consists of two constant volume and two isentropic processes.
    C.

    An Ericsson cycle consists of two constant pressure and two isothermal processes.
    D.

    all of the above

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  5. One kg of hydrogen requires 8 kg of oxygen and produces

    6. A.

    1 kg of water
    B.

    7 kg of water
    C.

    8 kg of water
    D.

    9 kg of water

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