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Discussion :: Compressors, Gas Turbines and Jet Engines

  1. The process, which causes the air to enter the impeller blades of a centrifugal compressor at ________ velocity (without effecting the mass of air to flow and velocity of flow) is known as prewhirl.

    2. A.

     Reduced
    B.

     Increased
    C.

     Zero
    D.

     None of these

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    Answer : Option A

    Explanation :

    The process, which causes the air to enter the impeller blades of a centrifugal compressor at reduced velocity (without effecting the mass of air to flow and velocity of flow) is known as prewhirl.

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