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 18565

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

IBS,

1 4707

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

2 5981

What is your acheivements

2162

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,

2232

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

Construction, L&T,

3 6012

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

1897

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

1 4136

why swinburnes test cannot be performed on series machines?explain

2350

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

3 5462

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

BEC,

2053

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

BMM Ispat,

1 7955

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

Bhel,

3 10859

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

2121

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

4 9649

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Un-Answered Questions { Electrical Engineering }

what is consequences of neutral and earth connect?

2121

Explain forward resistance, static resistance and dynamic resistance of a pn junction diode.

1198

which cable is used for 15 Hp monoblock pump 3phase and service wire Distance is 210 feet please tell me cable size Armaured

1582

what is KA rating and how can we choose switchgears on applications

1445

stand by earth fault protection (51G) for transformer rating 2000 kVA,Dyn11,33/0.400 V. LV NCT ratio and necessary resistor and metrosil values how to calculate

2805

Dear Respected sir how to test ABB REX521 protection relay by relay tester.

2747

What are the applications of different multistage amplifiers?Plz also write advantages of these amplifiers? Thaaaaaaaaanx

2912

In India the supply voltage is 230 volt A.C. During the negative half cycle phase becomes neutral and neutral become phase? or what will happen during negative half cycle? how the electrons flow during positive and negative half cycle?

2016

In which of the following case, the rotating magnetic field is reversed? A regenerative breaking B plugging C dynamic breaking D forward motoring

1970

HOW TO WORK A VFD?SAY SIMPLE METHOD

4427

What is the reason for using a GE G101 MCB in place of an EP102 MCB if both are capable of AC circuit protection?

2650

operation of protection relay watchdog contact?

2405

What is magneto on a gas generator. how it functions. its out put is d.c or a.c. how it can be checked for correct functioning

2009

How can a equal potential zone be carried out in conductors?

1336

Difference between ac parallel circuit and ac series circuit?

2117

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