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 phase and neutral.

HP,

3 7505

why used in starter in tube ligtht circuit.

College School Exams Tests, HP,

4 9754

Why used in layer by layer charcoal and salt used in earth pits.

CESC, HP,

11 72168

1. how much normal earth resistance in earth pits(neutral and body earth) and transformer neutral and body earth & panel earth.

HP, Malladi Drugs and Pharmaceuticals, Pearl Engineering, PL,

12 101012

how much UPS neutral erath leakage current.

HP,

3818

Two 11 kv lines are feeding to common bus in a substation,I have one set of CT & PT(3ct,2pt), How can I measure both lines power using single set.

L&T,

6 12322

How do determine the Size of a Droop Current Transfomer for Paralleling of Two Generators, Say I need a Droop Current transformer for a 600 kW generator need to be parallel with a 800 kW generator, etc.

JK Cement, MPPGCL Madhya Pradesh Power Generating Company Ltd, PNG Power,

2 11864

I have installed capacitor bank at secondary transformer. cos phi is increase. but on load (far from transormer), it still poor. Can anybody explain it??

6 13491

What happen if LV supply is fed to a HT motor?

ITC Infotech, Jindal,

19 47938

What type of DC Generator is used for Arc Welding purposes?

CPCL, Rubicon,

7 39997

Wat wil happen if Transformer is operated at 100 HZ Frequency?

8 21311

What is the amount of no load current of 630 kVA tranformer voltage ratio 11kV/440V ?

13 26874

what is R Core Transformer. how it differs from normal transformers. dont search in net and post the answer.

2129

when we connect a CT in the line will there be any loses in the line due to the mutual inductance of the CT.

1 4090

What is the difference between short circuit and overload currents?

IIIT,

14 63673

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Un-Answered Questions { Electrical Engineering }

List some examples of renewable energy?

1279

i am completed my degree(B.E EEE) 2014 anychance to get electrical licence plz help me

2209

What are the three types of compensators?

1148

Why in power plant projects we see DOL starting method used for motors upto 160 kW instead of star delta method

1908

what is difference between cpp electrical system and refinery electrical system

2360

Explain advantages of storage batteries

1151

The electrical energy required to raise the tempreture of a given amount water is 200 kwh. If the heat losses are 20%, the energy required is?

2072

what is the difference between surge protection capacitor and surge arrestor

2380

how to carry out Magnetizing Current Test on Distribution transformer and what purpose we are doing this test. why transformer rating in always in KVA ? what ispositive, negative, zero sequence impedence? How ElCB tripping if Neutral touch with ground Why AC & DC capacitor are use in UPS ? why motor rating in KW? how to syncronize two dg sets

2253

i have 3500 amp load and select current transformer and perches.how i calculate .please understand

2218

is it possible to say motor horsepower number without seeing name plate(when name plate damaged)

5506

i want to run 11kv star connected motor in 6.6kv with delta connected throught inverter, is it possible?

2090

What do you mean by distribution transformers?

1217

hi , i have 150 kw loud and we need 50 m cabil,i want to know wich size cabil we use. thanks

2207

In a flange coupling, the flange bolts are designed for

1174

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