i have faced a problem in ro plant grunfos make bm30type pump it is 22kw pump. We start this pump using siemens 3rw 4423-ibc44, 30kw softstarter but this soft starter will frequently failier so we planed to change dol starter. So pls tell anybudy its possible or not.

694

we have two generators different capacity on 15 MW and other 6MW at 11 KV , 15 MW gen. bus short level current 40KA,and 6MW short level current 25KA,, length of cable 100MTR between 6 MW from 15MW gen. for bus coupling . kindly tell any one can we use both NGR OR one NGR from any GEN. BOTH NGR has diff. rating. Tariq pakistan

425

what is the difference between error,exception,bug,defect,fault..?

1130

Hello i am a chemical engineer presently looking for a job i am applying many jobs in naukri and in all job portals but i am not getting any call or interview so kindly some one help me in this regard soundar

732

what are all the things will consider while doing sensitivity analysis?

955

What is meant by CDOT in relation to the Communication in BSNL? Explain the term CDOT.

1230

Why use ball valves on Gas pipelines instead of gate & or globe valves...means basic diffrence or use of these valves..how designers knows this type of valve with rating is required...

992

I have received my ielts result n i have scored folloeing score Listening: 5.5 Reading: 4.5 Writing: 5.5 Speaking:6.5 Overall: 5.5 Can I apply for student visa ? Is it there any chance to get the student visa ? Please reply as soon as possible😊

200

what is Exposure ?

694

what is jam?

1559

Hi I had missed my mark list (first year-apr2003)how i search in my old mark details in internet and which web site? pl inform me in full details..

710

What does GEQO stands for in PostgreSQL?

369

What do you mean by Splitter?

778

Emergency Shutdown Systems/ Plant Shutdown System.

822

Normally in slabs, steel quantity is not added when you calculating concrete quantity for that slab, why it is not added ?

4250