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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

Which type of starter to used which type o motor

Crew pvt ltd,

1802

Dear sir, please tell me how many day use CTPT transformer

Daya Engineering Works,

1 2858

What is the kva?

Makino Auto, SAL Steel Power, Sapphire Group,

2 3748

Why NGR is provided in sub station?

MMS,

4 4980

why moisture formation found in XLPE Armoured cable outer sheath

1815

I have c license but I don't know eligibility of Max Kilo Volts under the electrical licensing board.

MindSquare, Sical,

1717

transmission line losses

SVS Constructions,

1 3070

Why R ph of Hv and Lv is shorted or joined together while taking vector group?

IOCL,

1 3026

working principal of online ups

Delta Power Systems,

1767

Why line VTG = √3 phase VTG in star? How?

Endurance International Group, Infosys,

1616

Why Generator KVA not in KW ?

Bygging India, HHH, Tata Motors, TVS,

3 5196

what is power factor ? how we can calculate the low power factor and amount of capacitor for improve that low factor ?

AB, JLL,

1616

after applying C-License in how many days we get it?

2 3001

750kva 11/415kv transformer having percentage impedence is5.64%. 11KV HV whose current 39.37A and 415V LV whose current 1043.43A.resistance is 2.5ohm. find no load loss and full load loss?

2 3111

I have 30 kw motor load & i have selected 10 kvar capacitor bank for power factor improvement.my existing p.f is 0.85 & proposed p.f is 0.99 so ,is it right selection? 2 nd question how to connect c.bank whether in delta or star connection & how to decide it?

1 2906

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Un-Answered Questions { Electrical Engineering }

In 11/0.414 KV Parralel supply network with Bus tie closed what will be the fault level is it doubled or halved??

2075

electromechanical relay type identification example : type=tjmh t-stants for j- m- h-

2457

A system absorbs 100 k J of heat and the increase in its internal energy is 100 kJ; the work done is

1282

What is the tests required for a 132 kV, 400 kV , 765 kV for a Circuit Breaker and Power Transformer before commissioning ?

1585

How can we calculate cable size in Low voltage & high voltage

1612

what is the purpose of using filters in a protective relaying scheme?

2265

What is DTR erection?

4065

What is the end effect of linear induction motor ??

2026

Different types of relay fault which phase sequence??

908

what's the difference between abs/inc encoders. apart from the position remembrance what are all the other differences. and what's mean by grey code.

2088

What is the limitation of kirchoffs law?

1133

explain with diagram how to protect transformers and substations from over current with help of CT's?

1954

Good morning: I'm looking for some informations about the OLTC or the LTC: I wont to know what the function of the tie-resistor in during the operation of reversing/coarse operation Cordially

2003

what are the assumptions made in swineburne's test?

2173

what is the safty of poly phase tranformer?

2129

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