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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

how to extend relay operating timing in 24V dc relay card (without using Timer )

1951

what is meant by PU value ? anyone can you explain briefly to me ?

3 5306

need help, please can someone tell me how can i calculate the main breaker and branches breakers to distribution panels (MDB) depending on the load ampere .. i really need it but can't find any site >>

3 4536

What is maximum permissible length of cable from transformer (33kV/0.433kV) HT side to HT panel which contain VCB? In which standard i shall get this information.

MSEB,

6 16364

Which motor has more efficiency ;Synchoronous or Induction motor ?

TATA,

4 8560

What happens when the power factor is leading and its disadvantages.

1 3786

What is the basic difference between 90% stator earth fault and 100% stator earth fault, and its phenmenona?

Reliance,

4 19528

purpose of breaker contact multiplication relay?

ABB,

5 25494

if two heater of rating 1KW,200v are connected in series 100v supply what will be the power taken

1 4623

write a program that prints prime numbers from 1-20 in digonal form

1963

What will be done if we open the secondary of CT on load??

Engro,

4 6942

what is the transiant condition in alternator? and how it can be prevanted?

2049

i alternator which of genarator used for excitor the what is reason?

3 4733

Hi.I want to ask how to calculate contactor rating current? for example I have 460 V , 100 A (induction motor) calculate contactor rating current?

2 4394

I want to know what must the CT ratio be on a load of 300A is a 3PH nutral to earh installation?

4 5882

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Un-Answered Questions { Electrical Engineering }

what is the ms flat constant for calculating earth mat design calculation?

2470

what is the differencce inn series and cascade connection??

4689

what is the difference between general inverter and solor inverter clerly explain plz

2062

What is power distribution criteria for converting single phase unbalanced residential load to 3 phase star connected balance system. Does total KW converted to 3 Phase. Means Divided by root 3.

2280

With a phasor diagram show the effect of increasing the field current of a generator supplying a constant real power and connected to a grid system.

1916

what is the isolation transformer. what is the isolator?

2033

Can we Co-ordinate relay in Load Break switch?

1924

What is contract demand in solar system?

1656

How can maintain our H.T. motors used in cement plant. please send me procedure.

5111

what is integrated ac contact circuit

2018

How time response of the system is divided?

1151

what is the formula for efficiency of francis turbine and generator for hydropower? what is best way to select francis turbine and generator?

2462

how many load we can take for lighting

2223

3 phase induction motor connection star or delta while using ac drive motor is .75 to 5.5 kw

1925

Where is servomechanism used?

1143

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