Electrical Engineering Interview Questions

Which types of Gases occure when mineral oil burnt

2581

Name of Hydrocarbon gases.

2877

How reverse power relay sense the power is reverse in the system.

5807

what is the use of vcb & isolator in substation?

1800

what is the use of vcb & isolator in substation?

17189

In 6600/√3/110/√3v voltage transformer,how much output voltage in open delta transformer,after removing 1-phase of primary side on transformer?

2172

what is tha between elcb & rccb?

4821

power inverter we are using 2n3773 power transister in that places we can use any IGBT ?

3719

WHAT IS DIFFRENCES DCS & PLC

3198

What is the Difference Between the SCADA & PLC ? Both it also control and Supervise Then what Special in Scada & PLC?

3473

why gravels is used in transformer yard?

15100

what is power factor? is it good or bad for a system? what will happen if power factor increase or decrease?

Bhel,

10704

why it is in star to delta form of Synchrounus generator and delta to star form of Generator Transformer (or step up transformer)

3854

hey guys i recently saw a long transmission line in which a sort of balloons in red and white color were hanging at each section.do u have any idea why are they kept for?

5961

we all know that corona is nothing but ionization of air around the conductor and there by allowing current to pass through ionized air.but we are not getting any short circuit in between the respective phases though the air turned as a conductive media between them??

3370

Un-Answered Questions { Electrical Engineering }

Cb closed condition if there is a tcs fail whether cb will trip or not

1213

Dear sir, How to calculate 3.5 core pvc aluminium armoured cable meter wise carrying amps rating.Please give the solution with a good example.

1198

WHAT IS FAULT CAPACITY OF HT MOTOR TERMINAL BLOCK? ANY BODY HAVE ANSWER PLZ....POST IT.

1621

How you calculate the repturing capacity of a HRC fuse

2022

What is the function of auadag in a cro?

603

why use phase displacement in transformer.and effect of phase displacement on transformer

2255

how we explain parallel paths armature winding?

1386

What is grid collapse? what is the reason for it?

1476

What types of CMOS memories have you designed? What were their size? Speed? Configuration Process technology?

3043

What is the selection process of breakers. Can any one please give a formulation on same?

1618

What is the difference between a fuse and a breaker?

553

What is the meaning of utility ground and clean ground? How the distribution panel is grounded?

2003

What type interview questions ask in Electrical technicians

1197

How can we calculate the efficiency of a Running (On-Load) Motor ? What parameters are required and what is the method ?

1444

What is the limitation of kirchoffs law?

551