The rotary positive displacement machines are ____ and compression is ____
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The Roots blower and vane-type compressor are the types of
For a Root blower, as pressure ratio increases, efficiency ____
The vane type compressor requires ____ the Roots blower.
The centrifugal and axial flow compressor are the types of
Which of the following is true for a centrifugal compressor?
Which of the following is true for an axial-flow compressor?
For uncooled rotary compressor, compression process is ____ while ideal process is ____
In an adiabatic irreversible process, extra work is done to overcome friction.
Centrifugal compressors are also known as ____________
In idealized turbo machinery, pressure rise is done by adding _______
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