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The centrifugal air compressor is a dynamic compressor, which depends on transfer of energy from a rotating impeller to the air. ... The disadvantage of the type of compressor is that at low flow rates the overall efficiency decreases. However, at high flow rates and low pressure, the centrifugal compressor is preferred. ...
A rotary screw compressor operates by confining a volume of gas in a pocket formed by two rotating components. ... The advantages of this compressor are that it is economical, compact in size, needs low maintenance and are relatively free of vibrations.
Approximate Word count = 484 Approximate Pages = 1.9 (250 words per page double spaced)
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