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Electrical Engineering Interview Questions

What is the difference between Dielectric and Insulator

26698

how we can varying the speed of dc motor ?

4849

what material is the electrical housing wire made of? is there any difference for the telephone lines?

1057

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

1638

Why electricity is generated and transmitted at the values of multiples of 11?

5255

v=r*i this means when voltage increases current also increases at constant resistance.... p=v*i this means when voltage increases current decreases to maintain the power constant which one is true...

3837

WHAT WOULD BE THE FORMULA OF WIRE GAUGE FOR A FULL LOAD CURRENT

1208

1.WHAT IS A SMART CAPABLE DB ( DISTRIBUTION BOX) ? 2. HOW TO DECIDE THE TYPE OF DB TO BE USED ( RECESSED/ PLUG TYPE/ SMART ETC ETC? 3. WHAT IS MILLENEUM BUS BAR USED IN DB? 4.DIFFERENTIATE MCCB AND MCB.

966

how can we calculate ct ratings ?its any formula ?

5360

Why the isolation treasforfer are connected at out put of the ups ig 200kva ??????????????????

2778

how many types in CT & define it ?

6434

what is the difference between squirrel cage & slip ring induction motor by construction & working principle ?

Sail,

1753

if dc motor can operate by ac supply ? if its possible means how ?

5350

can a rotating machine give the DC output without commutator? if yes, how? if no, why?

BARC,

8355

how DC is differ from AC ? what are the difference between them ?exept (P-N)&(+__-)

3186

Un-Answered Questions { Electrical Engineering }

Write the force balance equation of ideal spring element.

207

How can we design a HVAC Plant room which includes AHU,FCU,Chillers,Cooling towers, Pumps etc & how will they work? any Drawing if possible?

1417

If we connect a motor and generator together (I mean that the generator gives the motor electricity and the motor gives the generator movement) regardless the losses. Will the generator still generate and the motor still move?

1164

HOW CAN WE DECIDE THE SUPPLY VOLTAGE FOR MOTOR ACCORDING TO ITS RATING(IF ANYONE KNOWS GIVE IT WITH EXAMPLE AND ITS CALCULATIONS)

1087

what is EBXl (electron beam cross linked ) cable ?

3146

from which subjects most of the technical que will b asked for hpcl(electrical).pls help me

1162

what is the significance of tan&delta and how it performed in power transformer

944

Explain about retrofitting of machine tool.

1021

What is the importance of counter based plan & how is it scheduled?

1095

witch pump used in wtp

1158

Can we indroduce the principle of single phase induction mator to Transformer? i.e. by Producing rotating flux in the transformer.

1295

what is the path of thunderlightening? once both a buffalo and a person were standing 5m apart but lightening hit and killed buffalo not person?

2036

What is the effect on 3phase induction motor if current setting knob of DOL kept at minimum current?

2671

oil cooled transformer

1325

We have two parts in generator, electrical & mechanical. how it works?

1090