Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

Is AC Current Scalar or Vector Component?

9 18626

why neutral busbar size is SAME of the phase busbar size UPTO 200A IN LT PANELS

IBS,

1 4723

Can I parallel 1 MVA generator with 1kVA Generator? if V, F, Ph Seq and Ph angles are same

2 6001

What is your acheivements

2179

If a current -8+6sin6t is flowing three ammeter, one is a centre zero PMMC meter, one is true rms meter and one is moving iron meter. What are the reading of these three meter respectively?

National Insurance Company Limited,

2243

why is that a 4*4mm cable,is always powdered internally

Construction, L&T,

3 6054

The 3 phase 400 hp 440 volt slip ring induction motor do not take one phase amps why ? The motor is running good condition

1910

Can anyone explain about Control and power circuits of star delta starter & DOL starter ? How it works? please!

1 4157

why swinburnes test cannot be performed on series machines?explain

2363

meaning of two lines in between the transformer single line diagram??

3 5486

Why squirrel cage motor can only use with low starting loads ?

BEC,

2069

How many types of timer ?which timer are used star delta feeder

BMM Ispat,

1 7972

What is the working of SCM CT or purpose in genrator ?

Bhel,

3 10895

WHY THE COLOR OF OUTDOOR TRANSFORMER IS BLUE ONLY???

2136

why do we connect voltmeter in parallel,why not in series,and why do we connect ammeter in series why not in paprallel...

4 9684

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Un-Answered Questions { Electrical Engineering }

r we are using in gas turbine mark (5) frame (6) (made in india Bhel 1997) Ā

1723

How do you determine the size of transformer radiators in a transformer?

1939

Explain thin film resistors and wire-wound resistors

1036

how can get electrical c licence.now i am working in spining mill , transformer capacity 2750KVA. SANCTION DEMAND 2250KVA. PLEASE ADVISE ME . MY CONTACT NO 09944226823

1809

What is sensitivity of a measurement?

1150

how to find the multiplication factor for digital energy meter and analog energy meter

2216

armature winding of dc machine produce alternating emf then it convert in to dc by using commutator.But only we consider armature resistance why don't we consider inductive reactane effect?

2082

if grounding is notdone at regular intervals for long distance transmission, will the load connected at distribution end receive voltage during negativehalf cycle of the sine wave?

2045

Why the cores of large transformers build up of circular cross section?

2308

what can be the causes of capacitor start motor having a higher current that its actual

1980

Is it good to short Neutral and Ground in the PLC or DCS main Power supply. Pls give YES or NO with reasons...? Simarpreet

2552

when generator short circuit condition, the current how dissipates. or at short circuit voltage not available then current how can flow?

2196

How much pf maintan in dg set in 6o% load,when Dg runnig Neutaal Earthing removed what happen.

1987

What is the working principle of CFL & T5 tube light & 40W tube light with electronic ballast?

3959

What is expention fastener (Fan)

2056

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