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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

How big (size) can the tertiary winding be in transformer? Can we load the tertiary winding, if yes then how much we can load it?

1 5270

What are the causes of unbalanced current on 34.5kv feeder Ia=0.05,Ib= 0.25, Ic=0.15 and In=0.27 prior to tripping current are balance?

1742

wht is meant by sh6

2 4723

What is an isolation transformer?Why do we need isolate circuits?Where do we use them?

2 6159

why the value of impedence is taken as %impedence in fault currrent calculation

1 3193

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

IOCL, ONGC,

2872

I have raw material for making Compact-Choke for flourscent lamp of 40 Watts. We are suppose to get 0.4 amps output at end. but we are getting 0.42 or 0.44 amps and above. We have done many testings in different but nothing worked out. Please suggest me how to get the correct output. We are using 1. core winding of 700 windings of aluminium 2. E-shape iron fillings and I-shape iron fillings to surround the winding.

6 8272

what is the difference between STAR and DELTA connection and application wise how it can be utilizedd

2204

how the vaccum ckt breaker workes..? how the arc is quenching in it?

1 4414

what is differant beetween overload current and phase current?

KMJ, Petron ltd,

2340

why the no.of slots in stator in not equal to the no. of stator in rotor in induction motor????

Jindal,

4 21099

If i switch on a transformer but with no load connected to the secondary path.Is the transformer will burn?

5 8215

how we select HRC FUSE ?

AXA,

1 6030

how digital four pin earth resistance tester works

2 5079

what is difference between low voltage and high voltage

3 31752


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

what is size of 3phase 4wire cable to be used for 11 ton ductable A.C and how to calculate cable size for different load

4024


What is given by the definition in BIL IMP/PF = 950/395 kV. This was found in a name plate of a power transformer.

2357


what is the acceptable value of TAN DELTA and dissipation factor for 11kV, 1.75HP Motor?.

4179


HOW DO YOU CAN CHECK A 15KV DIODE, WHETHER IT IS OK OR NOT?

2049


how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?

1847


what is the minimum pay scale for electrical engineer (building construction)in kuwait? plz revert back with yrs of experience & pay scale respectively.

2160


what's prime importance of protection in electrical system.if protection system don't work properly what can happen in electrical system?

1916


surge tank, hrc fuse, earthing transformer, firm power objective type

1639


R=*ΒΆ l/a

1619


what is meant by flywheel and its role in retardation test

2434


Explain thin film resistors and wire-wound resistors

1027


Dear friends I want to design busbar for1600 kva transformer(i.e2100 amps) what are all the factors to be considered before selectinga busbar what are all the standard sizes of busbars what is the formula for finding current of copper and aluminium busbar

1902


what exactly commisioning work does in electrical site work... LT side?..

1938


what is cathodic protaction?

1993


What is vacuum circuit breaker.define with cause and where be use it device?

1308