What are all the possibilities discharge will be low in the
pumps?

Answer Posted / sebastian paul

1.In sufficient available npsh
2.Pump is not primed properly
3.Air or vapour, pockets in the liquid on the suction side.
4.Low voltage resulting in lower rpm
5.Required head being higher then the developed head
6.Impeller vanes clogged up
7.Worn out wearings
8.Viscocity of the liquid not as per specification

Is This Answer Correct ?    11 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what is procedure of measuring operating length of mechanical seal .(in case of centrifugal pump)?

1809


How does turbine work?

641


Is it ABS AH 36 material equivalent to IS 2062 Gr B material.

19524


How to find the bearing dimension from its number for ex 24040

1696


how does the lybrinth glands work in sealing a turbine? how exactly turbine sealing is done? principle of it?

1843






please send me previous question papers of rrb chennai applied for junior engineer in mechanical dept

1528


What is the percentage of chromium in 18 : 4 : 1 iiss ?

636


Why is stress considered important in a shaft?

751


I am completed diploma in mechanical in 2002, i have 5year experience in materials (purchase) dept,i want to do SAP cource in MM module, i want to know can i complete SAP after diploma cource only, is it usefull to me for further Job opening.

1638


Define thermal conductivity.

751


How to convert GSS duct volume in KG for all guages

2762


Why fatigue strength decreases as size of a part increases beyond around 10 mm?

752


List the different devices and components of main switchboard.

1982


what is mean by boiling mechanism ?

1524


Hello sir, I am Rajaram. I have finished DME (Diploma in Mechanical Engineering). I would like to attend BHEL supervisor examination. So i want which type of questions can i prepare. & give previous supervisor examinations questions. Reply my mail (rajaramsptc@gmail.com)

3793