Electrical Engineering Interview Questions
Questions Answers Views Company eMail

If the neutral wire go pass through the core balance current transformer? If yes then why? and no then why?

2 10410

What is the difference between power cable and signal cable (only Observation Difference)?

1 3608

why 3phase is 440v but where as we get phase voltage 220v,we have to get 220*3=660v.can u pleas give in detailed

Avantha Group,

3 9066

374kvar capacitor bank connected across 600kw,6.6kv motor.what will happen if motor run at 50% , whether full kvar applied or half?

NTPC,

1 3656

why reactive power control is required

5 6002

In Slip ring Induction Motor we use Liquid Rotor Starter for Starter Every Time Liquid Filling we need add Soda Sodium Carbonate or only Distilled water is Enough.

2 7921

Our Slip Ring Induction Motor Frequently tripped By Earth Fault While Starting time and in Normal Operation Time also Kindly Let me Know the Reason. Application Ball Mill - Cement Mill

1 2714

What is the basic difference between AVR and stabilizer?

Gujarat Alkalies and Chemicals GACL,

2 8635

which capacity of RCCB used for five thousand watt electricity load?

1322

Is it advantages of having star-delta vfd than normal star vfd , if yes why?

1746

what is the principle of operation of tungstun bulb ??

1366

what is the principle of operation of CFL ??

IOCL,

2178

what is the principle of operation of tungstun bulb ??

IOCL,

2 4784

what is the principle of operation of domestic fan?? what is the role of capacitor in it??

5 6034

what is the principle of tubelight ??? what is the function of starter and choke ???

1 4058


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Un-Answered Questions { Electrical Engineering }

what kn of disc is used in 33kv,132kv,220kv,400kv,800kv transmission line

2842


how we can do the insulation on secondary of ct explain and so that tan delta will within limit

1425


Different STANDARDS (BS, IS, IEC etc) gives different informations on CT specification. How they correspons w r t each other (i.e I mean to say BS provides "knee point voltage" but IS does not, then how can i select CT)

1474


What is ST and specify its range of voltage.

1479


CT Ratio of a energy meter connection is Red Phase : 100/5A, yello Phase : 50/5A & Blue phase : 100/5 A what is the overall Multiplication factor

1174






what is the current setting for different relay protection for transformer .

1728


i've iocl interview.. if you know the interview process please give me information..

1427


2. A current i=(10+10 sin t)amperes is passed through MI type ammeter. its reading will be.........

1876


What is the need for a controller?

631


how to determine the cable size...pls explain me with the formula taking particular load....does the factors like impedance & short circuit rating influence the cable size, if so how....

1551


what is the question paper model for section engineer in RRB

1449


What is the typical enclosure type used for Indoor switchgear / Outdoor switchgear Units? - In Onshore / offshore Units?

507


What we mean by vintage of an engine+Generator?

1569


Define damping ratio.

753


What is the theoretical reason for the size of a zig zag grounding transformer to be 1.732 times less than that of a wye-delta grounding transformer used for the same application?

1792