Electrical Engineering Interview Questions
Questions Answers Views Company eMail

How to work meggar?

Anand I-Power,

1345

What is the problem of internal failure in ship engine telegraph system norcontrol?

SAR,

1738

typically in power distribution substation. 1- Any idea how would be the graph of capacitor bank consumption verses time through the day . 2- How is the switching ( on and off ) of the capacitor bank, per need?

Siemens,

1282

What's difference between a400amps lt contactor and a400amps lt circuit breaker

Indian Railways,

3 3490

What is fault clearing time for Current Limiting Moulded Case Circuit Breaker?.

DAE, Hindalco,

1314

why we use delta connection in transformer

UPPCL,

2 3183

Sir 33kva 2 transformer load 900 amp calc 1800 amp mana jayega

Classic Infotech,

1349

i have total 8 dg sets for synchronizing and 2 buscoupler,1 sectoin dg no 1,2,3,and 2 sectoin dg no 4,5,6,and last section dg no 7,8 ....if buscupler no 1 and 2 is off mode ..than dg no 1,2,3,will synchroniz of another dg sets?

Crown Buildtech,

1340

which is better to use svc or synchronous condenser why ?

1332

neutral carrying current more than phase in 3phase supply.i want to know the reason?

2 2369

Dyn1 transformer vector group testing how to do

1316

the parts of transformers ?

Bhel, Facility management,

1 2879

In the N-series schneider reclosers. What is the difference between current during fault time and current at tripping? This appears in the Event log in an event of a trip out.

Kaytech,

1327

Why short ckt does not happen when solenoid coil connected to supply. as its a wire only.

Siemens,

1 2208

what things to be considered when designing UPS

Aplab, Veta Kipawa ICT Center,

1292


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Un-Answered Questions { Electrical Engineering }

If one lamp connects between two phases it will glow or not?

605


What is the most essential condition for the voltage build up for a d.c. Shunt generator?

659


what is the basic construction diffrance between servo motor ans sqiralcage induction motor

2004


what is meant by motor startup supervision & motor load jam protection ?

5336


Convert a star connected network into a delta connected network.

642






can you any one give exact mathematical relation between AC current and DC current?

1377


what is differentila pilot supervision in the incomer control panel in the power station?

1616


What do you mean by Frame 5 Gas Turbine as well as Mark II.

2040


what should be the no load current for 3 phase ac motors ranging from 5 kw to 1000kw?

1365


I am applying for NTPC examination.Can we please provide previous paper to my mail prasad.chintala108340@gmail.com

1724


give me atleast four differences between circuit and network

1707


What is the ratio of Booster transformer?

1637


WHY CBCT USE ONLY IN Y PHASE NOT OTHER PHASES

1614


If any cable burnt how can we identify it burnt by high current of high voltage? 

1988


how are reversing the direction of rotation of dc motor

1254