NPSH for centrifugal pump

Answer Posted / bn

NPSH; net positive suction head
NPSHA; available, is a function of the inlet piping system
NPSHR; required, is a function of the pump design and
operating speed
NPSH applies to gas free liquids !
NPSH does not apply to fluids !
Don't say 'fluid' when you mean 'liquid' !
They are not the same !!

Is This Answer Correct ?    1 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is the different types of surge tanks ?

633


How is the gear ratio calculated?

648


Why is over-pressurizing an air conditioning system bad?

582


WHAT IS THE DIFFERENCE B/W LUBE OIL 20 W 40 AND 20 W 40 OIL.

1583


What is critical temperature in metals ?

659






purpose of primary and secondary air? causes of smoke?

1770


Which pump is more efficient centrifugal pump or reciprocating pump?

628


Sir can u send me few interview questions and answers based on Deputy Superintendent(materials) of APSRTC. I have selected in written.reply to bhanudammoju@gmail.com thank u.

1375


what is tranformer and transducer

1463


Hello Friends I had my ONGC test today,but it was very bad.But I would give certain suggestions so that u may not face he problem which i had. Be thorough with Electrical Technology.Generators.motors stators etc.There are 5 questions on that. There were also good no.of questions from Hydraulic machine and Production technology. Then 3 from Strength of materials.And remember the dimensional quantities.

1523


please briefly explain the Discharge process and Formula of Centrifugal Pump

1466


How to calculate IKW (inputkilowatt) ie.. efficiency of a airconditioning chiller plant capacity of 310TR

2482


How much machining cost required for 1000x1000x16Thk(Mild steel)

1410


In order to derive the torsional formulas what are the assumptions taken?

612


What is the purpose of turning gear

1545