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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

If Two Generators are working parellel in a network and suddenly the field of one Generator get weakened What will happened if there is no reverse power relay fixed in that Generator panel????

7 11036

What will Happened if the polarity of CT is changed?

13 41673

Why we are checking the vector group & turn ratio of Xformer while PM?

1 4445

What is the knee point of voltage of CT?

NTPC,

5 11440

In which reason, one end of CT secondry get connected with Earthed? Normaly S1 of CT. Why????

1 5854

What is an Isolation Xformer? What is the use of it?

2 8283

What is the different between Earthing & grounding?

1 5126

how braking & making capacity of circuit breaker are calculated?

Bhel,

2360

If we feed 230V ac supply to a full wave rectifare, what & how much will be the out put voltage?

3 6403

What is thresh hold value of current?

2251

What is negative phase sequence?

Hindalco, Universal Associate,

7 92765

What is harmonics in AC waves. How it is generated? How it will effect the system network? how can eliminate it?

2 5255

Waht are the protection should be use in HT/ LT side of the same Xformer?

1 4311

How to calculate the phase to phase clearness of HT /// LT bus bar?????

2144

HI, I want to buy a new Xformer to my plant. what are the main parameter should I check ( Xformer rating is 16 MVA)

2 4471

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Un-Answered Questions { Electrical Engineering }

What must be the distance between the Earth pit which are grounded from two different sources. Example: Distance between the earth pit for LV Panel-1 & 2

2128

What is pole of the system?

1196

How to convert 2 phase to 3 phase electricpower in induction moter?

2168

can anyone send me some sample question regarding power grid corp

2253

TYPE'S OF BREKAR ,WHAT IS TRANSFORMAR & SAFTY. STARTER DOL & STAR DELTA STARTER.

2639

sir my exam is on 19/6/2013 under electrical branch pls send me sample aptitude questions as well as sample technical questions for jindal steel and power company

2235

in an electronic tri vector meter when the current and voltage sequence changes ? what is the effect of phase sequence on recording of meter

2285

What is the difference between in Fourier series and Fourier Transform. and please tell me the difference between both of them and the why we use them in communication system?

2093

Where is the best place to mount distribution panel in a house.

2150

What is the difference between a 3 winding and 2 winding Potential Transformer

2343

what are the applications of transistors with low dc gain, high dc gain and medium dc gain( beta)?

1830

WHY IN AC DRIVES,INPUT PHASE CURRENT SHOW UNBALANCE?

2354

why electron produce magnetic field when it is in motion?

2191

what is EIB lighting control system? what is the advantages of this system?

4002

What is warm / cold start of HT motors. How many warm start & cold start are possible in a day?

2107

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