Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

what is the sweep commenly used 1200mm sweep and 600mmsweep please tell me breifly sweep

Khaitan,

1 8446

while checking the flourscent tube elctrodes some glow is cominag. this type of glow tube working or not working

1 3443

Can anyone explain me the operating principle of the megger tester?( I just know that its diflection relates with the ratio of currents of control & diflecting coil. I need more information as breif as possible)

TCS,

1 4408

how speed control of induction motor?

DVC,

4 8028

what is the diff. between x'mer , isolation x'mer & ultra-isolation x'mer ?????????????

ABB,

2342

what is x'mer ,isolation x'mer & yltra-isolation x'mer?????

2475

can anybody give me current carrying capacity of cables e.g size of cable in sq.mm & its current capacity both alluminum & for copper

4 7400

good morning sir, can u please tell me what type of questions asked in jindal so i can do my best in exam.

3 5077

tell me some type of questions throught which i can prepare for exam and do my best

Jindal,

2017

what ever the ups kva it may 500 kva or 500 va always out put is AC 240 volts its right?

3 5044

WHY PROTECTION CT IS USED NEXT TO METERING CT?

1 4687

I have a 25kVA three phase transformer on our property. Will this transformer be large enough to run a large home with swimming pool, spa, 2 off full size reverse cycle air conditioners to service a 100 square house (10,000 square feet or 930 square metres)and the general power consumption of this house without upgrading to a 63kVA transformer.

1 4988

what do you mean by switchgears?

Practical Viva Questions,

5 13672

how can we change the supply frequency?

Areva,

8 12523

which book to refer in electrical engineering for iocl exam & which book for general english.

L&T,

2242

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Un-Answered Questions { Electrical Engineering }

how to identify vector group of three phase transformer by voltage method?

1624

what is RFCT and Insulgard Relay & It's function?

2191

Direction of flow of active power and reactive power with logic?

1754

What is class ab operation?

1053

what is the principle of operation of CFL ??

2668

What is the phase relationship between the primary and secondary voltages of a transformer?

1089

What happen when neutral point connected to core balance current transformer? (Neutral point of an alternator of a 180KVA DG. Neutral point connected to CBCT means enter to the CBCT)

2286

along with technical test papers

1608

i need to give section engineer (electrical engineer) for RRB. Please suggest some book

1874

why do we measure VIBRATION in -24vdc and why we adjust gap voltage -9vdc to 10-vdc? i am trying to get this information since 5 years, yet i haven't get reliable answer, i hope i can get from you.

1856

Please explain me abt PQ diagaram in the power sector.

2419

we have a rewind motor of 2Hp,2800Rpm, 220Volt AC. how can we choose the running capacitor for this motor, any formula for that?

1911

can the measured percentage error during calibration of single phase energy meter be negative?

2408

where was current transformer protection units used and why??

2035

Cb closed condition if there is a tcs fail whether cb will trip or not

1833

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