Electrical Engineering Interview Questions
Questions Answers Views Company eMail

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

1577

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

3 4571

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 3827

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 15238

Which motor has more efficiency ;Synchoronous or Induction motor ?

TATA,

4 7495

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

1 3170

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

Reliance,

4 18596

purpose of breaker contact multiplication relay?

ABB,

5 24102

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

1 4233

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

1671

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

Engro,

4 5788

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

1661

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

3 3999

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 3869

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

4 5074


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

What is the universal motor?

770


what is the function of statics switch in ups and tell me parts

1644


Dears we deal in Chemical are Plate earthing. Kindly call if any requirement and questions. Tech Earth Solutions Mohit Verma 8791071007

1541


what is the difference between Central Battery System and UPS in applications and uses? and why UPS suitable for Computers and central battery for emergency lighting?

9846


How we calculate the current carrying capacity of H.T. cabel?

1861






I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

1430


what is the vvvf in the dumbwaiter?? or lift. what is the actual process?/

1735


What are the types of power in electrical power?

824


How to measure power in 2 or 4 or n phase circuit? Please give me a formula.

1581


In diesel generator how AVR get voltage to excitation. And basic diagram DG EXCITATION CIRCUIT.

2896


How much of the total hydro power potential has been exploited so far in india?

757


Do closed loop systems require manual input?

769


On what principle electric motor works?

831


how to control dc motor?

1573


what is the working principle of energy saver control panel. please give the complete calculation & theory.

1972