Answer / ramkkumar v.s.

centrifugal pump is a rotodynamic pump where as positive
displacement pumps include reciprocating pump.In centrifugal
pump a rotating rotor and a stationary stator(casing) are
used to increase the fluid pressure.In reciprocating pump,a
piston is used to increase the fluid pressure.

Answer / hiren

in centrifugal pump gives continuous out put and where pdp
gives cyclic output

Answer / abdul hameed

In general:
centrifugal pumps are Flow oriented.
Positive displacement pumps are Pressure oriented.

Answer / vinothkumarbbsva

+ve displacement pump gives const. flow whereas centrifugal pump gives variable flow indirect to pressure...

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Dear Sir, I am Shariq Sami. I joined BHEL as a Supervisor Trainee in May 2009 on diploma basis, right now i am an assistant Engineer and posted at Noida. I have completed my bachelor of engineering from Jamia Millia Islami, New Delhi.I am Planning to appear for "BHEL ET" exam this year. I want to know,is there any previous year question papers will be available like we have for GATE exams or you feel it is no need? Can you please guide me? Kind Ragards M.S Sami, Contact No. 9891090742, 9250250988, 0120-2545796

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