Answer Posted / n.s.patil

Pump basically a mechanical device which converts one from
of energy to the other.

As epr burnauli's theorem 'Kinetic Energy + Pressure
Energy + Potemtial Energy = Constant'

Mechanical energy by rotation of impeller is converted
to 'Constant' energy. for the flow of fluid.

Depending upon the physical conditions through which the
fluid has to flow,the energy in the fluid changes from one
type to the other to maintain energy constant.

For example imagine the pipe with following sections

i i i i
i i i i
------- ------- --------- Out
IN i-----------------
---------i

So the flow in = flow out irrespective of time factor.

Dear Sir, i want to know formula for steel BAR/SQUARE/HEX/FLAT>LENGTH. SUPPOSE I PURCHASE 10 KG OF ROUND BAR OF DIA. 20MM SO WHAT LENGHT I GET. SAME FORMULA FOR HEX/SQUARE.?

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sir, I am applied RRB chennai,MMV(mechanical),Pls mail 2006,2007 & 2008 years solved question papers.My Mail jrks@rediffmail.com

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