Thermodynamics Miscellaneous


  1. In a Rankine cycle heat is added









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    Reversibly at constant pressure

    Correct Option: D

    Reversibly at constant pressure


  1. In steam and other vapour cycle, the process of removing non-condensable is called









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    In steam and other vapour cycle, the process of removing non-condensable is called Deaeration process

    Correct Option: B

    In steam and other vapour cycle, the process of removing non-condensable is called Deaeration process



  1. In a gas turbine power plant intercooler are used to cool the ____ in order to decrease the ______.











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    Intercoolers are used to cool compressed air so that the compression work can be reduced and more air means can be supplied to turbine.

    Correct Option: E

    Intercoolers are used to cool compressed air so that the compression work can be reduced and more air means can be supplied to turbine.


  1. In problem above, find the actual work and maximum work per kg air.









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    312.04 K J /k g – maximum work
    270 K J /K g – Actual work

    Correct Option: B

    312.04 K J /k g – maximum work
    270 K J /K g – Actual work



  1. A gas turbine cycle with heat exchange and reheating improves









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    Both thermal efficiency and specific power output

    Correct Option: C

    Both thermal efficiency and specific power output