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 )

2007

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

3 5435

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 4648

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 16582

Which motor has more efficiency ;Synchoronous or Induction motor ?

TATA,

4 8704

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

1 3872

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

Reliance,

4 19728

purpose of breaker contact multiplication relay?

ABB,

5 25711

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

1 4687

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

2003

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

Engro,

4 7111

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

2099

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

3 4835

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 4491

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

4 5986

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Un-Answered Questions { Electrical Engineering }

How harmonic block test are conducted on relays ( Siemens,Areva ect )power transformer using omicron kit?

2272

What is the function of retrip in busbar?

1505

What the formula for calculating no.of earthings & size of earth strip for 100mX90m shop.

2365

Dry type transformers

1878

What is proportional controller?

1296

An impedance of 100 ohms resistance and an unknown inductance is connected across the capacitor. The resulting impedance is a pure resistance of 500 ohms ifω = 10^5 rad/sec. calculate the values of inductor and capacitor.

1422

hi plz send me reliance placement papers..i.e electrical technical papers that have been asked in reliance test.

2966

How to calculate the heat load for a electrical room

3085

Why hydropower is called renewable source of energy?

1050

Block diagram of Power line communication?

2324

The specific heats of the gas at constant pressure and constant volume are respectively 1.0 kJ/kg K and 0.72 kJ/kg K; the value of R for the gas is

1137

how many types of motor can be used in washing machine

2109

tell me some type of questions throught which i can prepare for exam and do my best

2017

what is consequences of neutral and earth connect?

2121

What is the relationship between voltage,current & frequency?

1783

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