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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

why 6.6,11,22,33,66kv? what basis they have considered?

5 8757

HOW CIRCUIT BREAKER RATING CALCULATED?WHAT ARE THE PARAMETERS CONSIDERED?

5 16993

Wat is da difference b/w neutral earthing and unearthed system?

2 6086

what is the purpose of NGR?

Assam Electricals,

25 106162

what is residual current....

1 4072

what happen "when Dyn11 is parallel operation with Dyn1"?

9 18503

Grid fault level [KA]?

2610

Earth Resistivity

2 6367

on what priciple transformer works on?

5 8137

how to calculate the capacity of the AC motor

TATA,

1 6169

RATING OF LIGHTENING ARRESTER FOR 11 KV LINE IS 9 KV BUT WE KNOW THAT LIGHTENING ARRESTER IS USED FOR OVER VOLTAGE PROTECTION SO WHY NOT THE RATING OF LIGHTENING ARRESTER BE MORE THAN 11KV ???????????????//

Hakel,

5 53405

what are the type of motors

3 7253

I have cleared IOCL written exam(Electrical). My intv is on 6/9/2008.can anyone guide me & tellme abt intv questions.

IOCL,

5 9724

how dc ct works?

3 7463

what is the difference between inverter and ups & what is the earth resistance for ups , if its high why so

3 7442

Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

why is control bus bi-directional?

2166

How to dimensioning SDCCH, LAPD and CS7 signaling on GSM?

2692

why the neutral point in connnection oscillates?

2263

How to select circuit breakers rating eg. if i select a circuit breakers of capacity 40 amps DC with operating voltage 28 volts and if i what to use same circuit breakers for 300 Volts DC application what is the current rating of this circuit breakers.

1730

1.Z transform always lies around ? a) origin b) pole c) zero d) z=1. Multiples Mcqs which is bother me can’t find answers on internet. Some help required with little explanation . Note: this is not homework or related to any test. Thanks

2464

Trafo ratio is 11kV/6.6kv,Vector group is YND11. What will be the effect if secondary is used for earthed system.

3800

why capacitive load is not used in routine life????any reason is there ??????

1771

limitation of conductor height on ground when we consider EMC

2048

what is meant by CT`s saturation ? Can we use Metering CT`s with Protetection CT`s ?

2183

how we start 40w tube light with 4 diodes,2capacitors,1 choke and without starter.(a product avilable in market which lights burnt tube lights also)

2039

What's mean HVF & HAF in Vacuum Circuit Breaker?

5349

what will be the maximum winding temperature of 6.6kv HT motor 450kw, Full load current 49A. 50Hz Frequency.

3234

why we used dc supply for field in dg set

2389

1.WHAT IS A SMART CAPABLE DB ( DISTRIBUTION BOX) ? 2. HOW TO DECIDE THE TYPE OF DB TO BE USED ( RECESSED/ PLUG TYPE/ SMART ETC ETC? 3. WHAT IS MILLENEUM BUS BAR USED IN DB? 4.DIFFERENTIATE MCCB AND MCB.

1846

Details about Flux Compensated magnetic Amplifer starter for motors

2016

For More Un-Answered { Electrical Engineering } Questions Click Here