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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

132 KV TRFO BUSHING CT BURNT WHEN A 6.6KV HAS BEEN APPLIED TO IT .WHY .ANY REASON ?

vguard,

3 5127

why is only third harmonics is dangerous for electrical equipments?

3 9021

what is the contact resistance of sf6 circuit breaker??

2 6142

what is the contact resistance of vacume circuit breaker??

1 2777

what is the contact resistance of Air circuit breaker??

1 3351

How check proper electrical earthing of machine.

DRJ ARDE,

5 13841

How check electrical motor winding.

DRJ ARDE,

4 7607

BRIEF ME CHECKING PRCEDURE OF BATTERY 12V 26AH

DRJ ARDE,

1 2839

are induction motor have poles? yes / no , why?

3 3376

how open delta PT works & what is its construction?

1359

is there any device that works properly accept relay, it may be fuse but if i want fuse of 33kv 300 amp it is avaliable, pls give me details

1129

what is the use of Reactive power in power system?

3 7696

What is the comparision (advantages / disadvantages) of 110V, 60 Hz system to 230 V, 50 Hz system.

2 6958

A dc motor running on dc drive whose input is 3ph AC what will happen if we change the phase sequence of dc drive for e.g (R Y B) is connect as R B Y, will the motor run as same as previously running before changing phase without any effect

4 5890

Why corona leads to production of Ozone and glow of the color VOILET?

1134


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Un-Answered Questions { Electrical Engineering }

Metal covered multiconductor cables shall employ a marker tape located within the cable running for its complete length in lieu of cable surface marking. Is it true or false?

1258


Why power factor should not be in leading (capacitive) mode of any load.

4885


I WANT TO INSTALL LIGHTING ARRESTOR ABOVE 20 FEET HEIGHT INDUSTRIAL BUILDING. NOW IT WAS 15 FEET HEIGHT HOW MUCH DISTANCE IT WILL COVER & HOW TO CALCULAT THE DISTANCE COVER BY THE ARRESTOR

1093


what is the difference between "Rotary bypass isolation switch and Normal bypass switch" pls share indepth techs?

1162


from which formula we select a capacitor rating?

1206






Explain Energy and Power signals?

869


How one may guess the direction from which the distribution line is incoming if there is no pole plate on poles?

1127


i need mat lab program to find out the transmission line losses,regulation and losses

1054


What is the lower limit of break-down voltage of converter transformer.

1059


how does the thyistor work in dc drive?

1125


how to erect roof control panel?

1128


State the types of distortions in amplifier?

260


Shall I use 40A semiconductor Fuses in 32 A SFU ? Frame size is same. What Happen if Fuses burn on SFU?

1151


As we use capacitior bank in 3ph ckt for improvement of PF, why not we use capacitor in single phase domestric use, at our house their are many inductive equipments,like fan,mixer,tube choke,air conditioner they also draw PF... by using capacitor can they improve PF. if yes--what are advantage and how to connect a capactor in single ph,and which type of capacitor if no- what are disadvantages.

938


WANTCONTACT NUMBER & EMAIL/ WEBSITE TO CONTACT THE SECRETARY,MADHYA PRADESH LICENSING BOARD(ELECTRICAL),K- BLOCK,3RD FLOOR,SATPOODA BHAWAN,BHOPAL

1217