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 should be the minimum and maximum ohmic value for earthing?

2 6277

As per the theory current doesn’t flows in Neutral, but practically it is not applicable, explain why?

2 5339

What is the Frequency while we step up the voltage from 220V to 11KV? Is it possible? Explain it?

6 10227

How to take the Vector Group Test in Transformer? What is the purpose of doing Vector Group Test?

3 7916

Why the transmission lines are in 11kV, 22kV, 33kv, and why not 10kV,20kV, 30kV?

Bhel,

2 7798

Why do we generate 3 Phase AC Supply? It is possible to generate 4 Phase and 5 Phase explain it?

4 10529

Explain why the Voltage drop will happen in 3 Phase line?

3 7820

What is the equipment used to control the generator output?

3 6068

What are the factors to be considered during the Synchronization?

3 7017

What should be value of Circuit breaker operating time and tripping time?

5 15265

Why the CT Secondary is rated as 5A generally?

2 6008

At which time Synchronous generator act as a Synchronous Condenser?

1 6726

What is the purpose of taking Capacitance and Tan Delta Test in Transformer bushing?

2 8175

What are the protections to be used for Generator?

3 6439

Draw the vector diagram and condition for the following: 1) Dyn1 2) Ynd0 3) YnYn0

3730

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Un-Answered Questions { Electrical Engineering }

What is the function of the circuit breaker failure relay?

2426

The metal-enclosed switchgear and controlgear is subdivided into three types: 1. metal-clad switchgear and controlgear; 2. compartmented switchgear and controlgear 3. cubicle switchgear and controlgear. What is the main differnence between them. State some example.

2037

detailed procedure how we calculate cost for pcc m10 and rcc m20 including centering and labour excluding steel/ iron

3176

I have a situation to design sub-Distribution board/Panel meant for feeding power sockets. In the incomer CAN i Take TP MCCB with Neutral Link and All the outgoing feeders with to sockets with TP MCCB and Neutral Link? P.S : My System is IT Earthing

1877

what is transient enclosure vltage , very fast transients, very fast transient over voltages

2197

can anyone explain 11kV 3core cable megger,hi pot test procedure with connection details?

3331

what is the prinsiple of dc motor and construction and working ,application of dc motor.

2023

I have finish diploma electronics and five years experience in electrical field in ht service how can i get c licensce or other electrical certificate

1742

Define ohm’s law for a.c (alternating current)?

1095

IF alternator SCR value will be high means what happen in alternator efficency at operating power factor of 0.8

3914

What consists of 2 or more thermocouples to be connented series?

2374

Pl.brief me any electrical major fault you have rectified.

2007

what is the saturation point of crgo lamination.

2297

What is the use of oil in transformers?

1161

Hi all I had applied for the RRB test in the ELECRICAL category. I would be pleased if any of you can sent me previous year question papers. Please forward the question papers to varshashahi@yahoo.com Thanks and regards Varsha

2220

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