Electrical Engineering Interview Questions
Questions Answers Views Company eMail

why the LED of my electrical meter glows even after the line has gone. what actually the reason?

3 4819

What is the high tension lines voltage and low tension lines voltage?33 kv is high tension line or low tension.

MPSEB,

1 7905

why a motor overheated stops to rotate ?????

1 1975

for which possible reasons a motor can fail to start??

CEB, Essar,

4 5287

In Panels Main Incomer considered should be TPN or FP?

2 4472

Why 5kv megger used to megger 6.6kv motor or 33kv transformer why not 500v?

2 7833

Why only plate(copper) Earth pit given for neutral earthing? why not pipe(G.I) Earth pit?

1 4099

what is the diference between the 4pole & 6pole DC Motors & what is advantage 6pole over the 4pole ?

1426

what is the diference between the 4pole & 6pole DC Motors & what is advantage 6pole over the 4pole ?

1538

what is the difference between 4pole & 6pole DC Motors & give advantage ?

1436

what is difference between fuse and circuit breaker?

4 6432

what happend if the protection ct is by mistake put instead of measuring ct & vice versa?

2 3341

what is the difference between normal motor and flame proof motor??

PI Industries, SRF,

1 30306

Is LV shorted in magnettic balance test?If yes why?

Hindalco,

2 4301

what is the lightning arrester rating for 3.3kv system voltage

1 4097


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Un-Answered Questions { Electrical Engineering }

what are the usual topology of transformers at different substations in the power system and why that particular topology is choosen. what are the limitaions of that topology?

1616


What is the maximum operating temperature for a thermoplastic insulated cable?

665


what is mppt (maximum power point tracking ) and how they used in solar power generation ??? what are the main components used in mppt?????

2795


how r charge carriers produced

1640


Which type of questions well asked. ?

1305






which motor have relatively high power factor and what is reason for have high pf? 1.capacitor run motor 2.shaded pole motor 3.capacitor start motor 4.split phase motor

1492


Dear Sir I am living in Jaipur Rajasthan  now I did complete my b tech degree in electrical engineering in 2012  Sir how I gate certificate of competency for electrical supervisor

1597


how can i apilly for electrical c licencese.sir,i completed B.Tech in electrical & electronics engineering in 201onot working any company

1490


Can Anyone suggest the Standards (IEC or IS) for selecting copper current density?

928


why swinburnes test cannot be performed on series machines?explain

1840


3ph motor running with unequal kw and different pf what are the reasons

1230


what is the purpose of bypass mode in energy lighting transformer?

2063


33kv substation lay out details & line to line & line to earth measurements

2172


Single phase and threephase power calculation

1662


why any centrifugal blower draw more current in starting. consider id fan and fd fan?

1378