Railways Technical Ability Turbomachinery Question Bank Turbomachinery

  • question_answer Consider the following statements:
    When air is to be compressed to reasonably high pressure, it is usually carried out by multistage compressor with an intercooler between the stages because
    1. Work supplied is saved
    2. Weight of compressor is reduced.
    3. More uniform torque is obtained leading to the reduction in the size of flywheel.
    4. Volumetric efficiency
    Of the four statements listed above:

    A) 1 alone is correct

    B) 2 and 4 are correct

    C) 1, 2 and 3 are correct

    D) 1, 2, 3 and 4 are correct

    Correct Answer: A


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