Menu
Home / Mechanical Engineering / Thermodynamics :: Section 5

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. Charles' law states that all perfect gases change in volume by __________ of its original volume at 0° C for every 1° C change in temperature, when pressure remains constant.

    2. A.

    1/27th
    B.

    1/93th
    C.

    1/173th
    D.

    1/273th

    View Answer

    Workspace

    Discuss Discuss in Forum

  2. The calorific value of gaseous fuel is expressed in

    3. A.

    kJ
    B.

    kJ/kg
    C.

    kJ/m2
    D.

    kJ/m3

    View Answer

    Workspace

    Discuss Discuss in Forum

  3. The throttling process is an irreversible steady flow expansion process.

    4. A.

    Correct
    B.

    Incorrect

    View Answer

    Workspace

    Discuss Discuss in Forum

  4. The efficiency of the dual combustion cycle for the same compression ratio, is __________ Diesel cycle.

    5. A.

    greater than
    B.

    less than
    C.

    equal to

    View Answer

    Workspace

    Discuss Discuss in Forum

  5. The thermal efficiency of an ideal gas turbine plant is given by (where r = Pressure ratio)

    6. A.

    rγ - 1
    B.

    1 - rγ - 1
    C.

    \(1 - (\frac { 1 } { r } )^{y/y-1}\)
    D.

    \(1 - (\frac { 1 } { r })^Y-1/Y\)

    View Answer

    Workspace

    Discuss Discuss in Forum

Java Programming Questions and Answers Interview Questions and Answers