The disintegrating pump in which solid matter is broken up before passing out, is A. Centrifugal pump B. Reciprocating pump C. Pneumatic ejector D. None of these

The disintegrating pump in which solid matter is broken up before passing out, is A. Centrifugal pump B. Reciprocating pump C. Pneumatic ejector D. None of these
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Which one of the following statements is correct? A. Reciprocating compressors are used to supply large quantities of air at a lower pressure ratio B. Centrifugal compressors are used to supply large quantities of air at a lower pressure ratio C. Centrifugal compressors are used to supply small quantities of air at a lower pressure ratio D. Centrifugal compressors cannot be run at high speed because of impeller, diffuser and casing.

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