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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. Which of the following statement is incorrect?

    2. A.

    The liquid fuels consist of hydrocarbons.
    B.

    The liquid fuels have higher calorific value than solid fuels.
    C.

    The solid fuels have higher calorific value than liquid fuels.
    D.

    A good fuel should have low ignition point.

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  2. Stirling and Ericsson cycles are

    3. A.

    reversible cycles
    B.

    irreversible cycles
    C.

    semi-reversible cycles
    D.

    quasi-static cycles

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  3. When cut-off ratio is __________ the efficiency of Diesel cycle approaches to Otto cycle efficiency.

    4. A.

    zero
    B.

    1/5
    C.

    4/5
    D.

    1

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  4. A series of operations, which takes place in a certain order and restore the initial conditions at the end, is known as

    5. A.

    reversible cycle
    B.

    irreversible cycle
    C.

    thermodynamic cycle
    D.

    none of these

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  5. An isothermal process is governed by

    6. A.

    Boyle's law
    B.

    Charles' law
    C.

    Gay-Lussac law
    D.

    Avogadro's law

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