Electrical Engineering Interview Questions
Questions Answers Views Company eMail

how a vibration switch's high signal will going to trip the motor? can u explain with some examplesand wiring diagrams?

Wartsila, Bhel,

1 3175

pls send previous bhel electrical papers



how set earth fault over current in relay

Jacobs, Reliance,

5 11096

what is the difference between the electrical and electroncis


15 9745

Which is capital of Indian State Tripura ?


13 9807

can we step up dc power using transformer?

15 12173

In a parallel circuit dc circuit with two resistors, if you know the voltage, amperage, and one resistors ohms, what formula is used to find the second resistors ohms?

6 3431

condider as 100 w lamps glowing . for completing a one unit how much time it should glow


3 13681

what is the difference between the diode and the rectifier

L&T, Avalon, Mahacol Trexim,

17 29392

can any one tell me the formula for calculating the power and unit consumpetion


9 9031

what happan when ac power transmitted in unity power factor

Maihar Cement, JE,

12 11835

which %age if losses increases when frequency is increased to 25%

Siemens, Maihar Cement,

4 3776

which %age of corona losses increses if frequency is increased to 25%.

Maihar Cement, ADCET,

3 5396

why heat produced at junction of two different conductor. what care should be taken to minimize it.

Birla, Maihar Cement,

11 9167

What is the difference between voltage transformer and potential transformer?

ABB, Wipro, Voltas, MSEB, ETA, Maritime Academy, Reliance Jio,

38 68578

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Un-Answered Questions { Electrical Engineering }

Is there any specialised book to refer about fault level calculation both in MV and LV side??


What is the previous name of Cox's Bazar


Give details of your interested designation, the post you are interested to serve the company better and explain why you think you can serve the company better in such position if employed?


Is it a better option to procure screw type air compressor rather than reciprocating air compressor?If so, what is the reason?How should we select an air compressor(100 CFM)? Please mention the important parameters of air compressor.


what is sevice settings for mccb?How can be it setted?


What willbe change in programming when we use 5/3 solenoid inplace of 5/2 in operating of a cylinder?


reason of diode failure in alternator


Can you any one explain application of buccholz relay operation and pressure relif device operation of power transformer


we need a ntpc previous papers


What is the formula to calculate the rating of a three phase air circuit breaker


Wt is the function of reactive power? How it generates & consume though resultant is zero?


Is it possible to use a S1 duty class motor for crane application (S4)? If not, why?


What happens if we give the supply to the rotor of induction motor and make its terminal shorted?


1. Design a counter which counts 0, 4, 8, 2, 6, and repeats using: 1.a using JK flip flops 1.b using T flip flops 1.c using D flip flops


what is the power factor used by the PHCN in nigeria? 2. what is the difference between an alternator and generator. 3. Generation of poweris in KV but how is transmission is in MW. 4.If the transmission of power is 20,000MW how can it be increaesed to 80,000MW