Electrical Engineering Interview Questions
Questions Answers Views Company eMail

earth also having a gravitational force (magnetic field of north and south)but it attracts any object compare to this theartifical magnetic cant perform same as earth why?

1375

How to convert 2 phase to 3 phase electricpower in induction moter?

HCL,

1666

what are all the preventive maintainance carried out in DG?

TATA,

1 3266

what are all the daily preventive maintainance carried out in transformer?

1 2742

what is the use of buchzloys relay?

2 4320

what is the use of breather in transformer?

4 10505

what law motor works?

3 4729

How can we calculate D.C.Load current in terms of A.C. load current?

2 14513

what is emitter follower configuration? and what are it's features?

IBM, TATA,

1 2704

IF HT CAPACITOR IN ON POSITION IS THERE ANY LOSSES I.S I SQURE OCCURS IN THE SYSTEM

1594

What is meant by RVT and NDR ? expansion and details of it

2454

current transformer cannot measure voltage or not ? then y we use P.T ?

Bhel,

1 2114

what is the procedure for three phase motor differential relay testing can it do with single phase test kit?

ABB,

1 14280

If single phase having 220v so why 3phase is440v.

DLF,

7 22091

please describe the Transformer setting, Motor setting, I/C setting, Tie setting

1257


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Un-Answered Questions { Electrical Engineering }

How much ph is maintained of water electrolyte which is used in LRS for 1200 kw slipring induction motor ?

1242


what is calculation mathod/formaulla for deciding Size of busbar (Copper/ aluminum)for L.T. panel on Various Fault level like 50kA,25kA,10kA

2306


What is the formula formula for Busbar sizing and what are the things to be consider for Busbar Calculation?

1979


which of the following elements is not present in stainless steel

2013


What would be the size of wire used for 2 Ton of window A.C?

1418






how do i commission a distribution transformer knowing all its ratings and transformation ratios?d

3887


Explain about retrofitting of machine tool.

1470


what is excitation/

1712


any application of back emf

1611


can you any one give exact mathematical relation between AC current and DC current?

1382


How to arrange a hous hold earthing system to keep minimum earth resistance( below 7ohms).

1479


What is s-domain and its significance?

726


Why do we need interlocking in a HT metering or Ring main unit switchgear?

1550


how much maximum load a 2 core (Single phase) 16mm aluminium wire can take ?

2177


Why the power factor improvement is so important in industrial loads

1393