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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Tell me about ur past electrical maintanence job

Apollo Power, Solar,

1261

What is converter transformer? Diff b/w converter transformer and distribution transformer? why we use converter transformer in place of giving supply to drives?

 1 3613

What is the tolerence limit between neutral and earth in 230 V AC System?

NTPC,

7 8336

Why the vector group of excitation transformer in static excitation system is Dy5?

CSEB, SRF,

2 8770

In a 3 pin plug holder, what is the purpose of diameter of ground pin is larger than phase and nutral pin

Coal India, HCL,

9 10737

How to calculate the breaking capacity(like 15ka,20ka) of Circuit breaker (MCB,MCCB,ACB)

Career Excellent Sdn Bhd, Neona, Northern Max Engineering, Sps Renewables, Terasaki, UEM,

9 76340

what s a servo motor? how to control the servo motor? and its application, purpose of using?

Arabian Pipes,

2 4756

Can we indroduce the principle of single phase induction mator to Transformer? i.e. by Producing rotating flux in the transformer.

 1590

i've iocl interview.. if you know the interview process please give me information..

 1286

what is alternater?

 8 6135

What is core balancing in Power Transformer. What is the affect of an unbalabce core.

 1 3518

Equal resistance of 100ohm each are connected to the arms of whestons bridge, which is supplied by 2v battery. The galvanometer can sense a current low as 1microAmp. What is the smallest resistance that can be measered.

GATE,

1 3263

I need HT sphere gap calibration table. Can any body help me.

1356

what is the function of rccb how it diffrentiate between elcb

 1 3328

What is an Antipumping relay ?

 4 6238

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Un-Answered Questions { Electrical Engineering }

impliment (AB)`+C to transistor representation

1142

What is different between Difnit time and instatous over current relay

1751

by using pump duty, how we will can calculate the motor duty(KW)? is there any standard or formula.

1351

PAC and simple Ac different

800

Define resonant peak?

487




Difference between HRG and NGR. Are they both the same thing

3220

from which subjects most of the technical que will b asked for hpcl(electrical).pls help me

1417

hi friends ,iam working as genset AVR service engineer in electrical field from past 2 yrs throughout india . i plan to shift in some other job without travelling in same field because i con't travel,i dont know what i do for that so please guide me what job is suited for me,how i can serch the job please anybody helpme iam totally confused

1392

what ispositive, negative, zero sequence impedence?

1407

How many Zones can be in Conventional type fire alarm system & how can we detect the fire in Conv. type FAS?

1214

harmonics filter

1346

what is the use of the puls transformer in UPS & how it works???????????

1499

what is spadar bar .why I use in DC generator.

1323

How can we calculate the KVA rating of a Distribution transformer from its core details?

1418

how harmonics generated in induction furnance? how minimise it?

1359

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