Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â pump is also called as velocity pump.

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1.	Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â pump is also called as velocity pump.
A.	reciprocating
B.	rotary displacement
C.	centrifugal
D.	screw
Answer» D. screw