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Engineering Interview Questions
Questions Answers Views Company eMail

Function of scoop in BFP

TATA,

1 11529

where multistage pump used

Bhel, TATA,

8 12544

What are the different auxiliary protections of a transformer?

CESC,

1 3419

what is compiler

1891

what is pmc(in rigid pavement)

1 5428

what is the weight of concrete for 1 cum?

Dhenu Infrastructure, L&T,

15 40351

how much steel required for 1 sq.m area?

AA Architects, L&T,

24 102433

The neutral&earth voltage is 0v.But we were connected the lighting load at the time ballast was failed.why?

1 3521

Why transformer use to generator neutral earthing purpose ?

1 4510

I want to know if flowrate increases in 16' pipe line what will happen to upstream pressure and why?

1 3582

There is two transformers of 2MVA & 3MVA, which transformer is located at the sending end & which is at receiving end. why?

3 6494

Which has more losses, AC or DC??

Infosys, TATA,

4 16833

What is plc and how to do preventive maintenance

1 5500

why +24 v and -48 v give to BTS? If -48v protect from surge then why we not use -24 v?

1842

how the synchronizing is obtained at bus couplers in grid substation? (because there we cannot change the frequency in one of transmission lines like in generator synchronization)

2376


Un-Answered Questions { Engineering }

Explain what information is needed to specify a mixer?

1128


what is the safe meggar values for motor, transformer HT, LT and Cables? IF we want to replace I/C bay at our 220 kv substation which is of 140 mw load capacity bay to be replaced by 400 mw capacity bay.other than CT(1200/1) what are the other equipment i have to replace. why we generally use 3.5 core cable or in other word 1/2 core for neutral and also confirm me that in balance conditiob(3 phase)current in neutral will zero

2278


which model T or pie model is prefarable in power syatem

1887


what is PID control in VFD drives?

2003


How to determine spacing of bars in slabs or beams

2475


hi frnz,can somebody give me any project work? i am a 2nd year student & interested in practical works...plz give me some projects

2003


what is the minimum reinforcement provided in beams,footings,slabs? what is the minimum soil bearing capacity to design a multistorey building

2441


is all the servo motors having brake?please specify which servo motors having brake for stop on position and which are not.

1796


Explain how do you determine what suction pressure should be in r22 air conditioning compressors suction line?

1034


Why diodes should be connected in antiparallel with thethyristors in inverter circuits?

1210


Practical condition in 400KV Sub station:- Breaker(open) , isolator(open), Earthing (close) at both end e.g A & B. Now Open A Stn Earthing than Open B stn Earthing (Which have a 50MVA reactor) , AND suddenly show R,Y,B phase 704KV,573KV,118KV respectively. Que is without closing of breaker how it is possible.???? My Whats app No:07621840498 for Further Discussion. Pls experts suggest.

2093


What is memristor? How many modes it works? What is its advantage?

1104


sail kaott diploma ece ke interviw me qus.kis parkar ke aate hai aur G.S me kya puchate hai kya sameedyaan me kis parkar ke qu.puchate hai

3444


what kind of negative feedback is present in a noninverting op-amp.

1017


When was “ skylab ” launched?

784