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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

do we need NGR panel when the output of the genset is LV but after that it is step up to 22 kv. condition is 12 genset 400v are operating in parallel.

1 5582

132 KV TRFO BUSHING BURNT WHEN A 6.6KV HAS BEEN APPLIED TO IT .WHY .ANY REASON ?

MRF,

2 9084

Why is it that North America uses 60 hz frequency while Europe uses 50 hz?

4 9260

Why ACB is used in LT why not in HT and why VCB is used in HT why not in LT

GE,

1 24472

Name of the relay of low lub oil presuure in DG sets

Lineage, Sterling,

2050

why most of the induction are delta connected?

6 9727

sometimes, eventhough the HV side of the transformer is opened there is a voltage in LV side .How is it possible?

4 7404

how can we calculate that how much capacitor is needed for a system to increase the pf?

5 9216

how will calculate the winding ohmic value in 3phase motors in h.p wise? ex.10 h.p motor winding value ph to ph ? 5 h.p motor any calculation please send me.

Hyundai,

1 6469

what different in delta & star connection in motor?explain

Bhushan Power Steel, Hyundai, KPCL, L&T,

5 14000

why the CT ratio secondary is always divided by 5 for eg( 75/5,80/5,50/5)

6 16569

what is the voltage present in the telephone?

Infosys,

10 13873

why do we connect droop ct{in gensets}in y_phase only

2 8321

HOW DG WORKS ?

3 17005

Does the dg syncronization sucessful in practical.

2 4621

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Un-Answered Questions { Electrical Engineering }

What is the bundle conductor?

1207

PLZ SEND ME SOME UNIQUE PROJECT OF ELECTRICAL ENG (B.TECH)

1957

What will be electrical cost per sqft for IT building (basebuild and fitout)and for residential township?

1933

how to differentiate a mpcb,mcb with a contactor? Explain their working operation

2218

what is the prosses for getting of 33kv licence (i have completed my engineering degree & working in 33kv substation for contract basis )????

1942

Explain the different methods used in the choice of rotor slots for reduction of harmonic torques in an induction motor.

2029

Why using synchronising methed in DG's sets?

2213

why do we lay up the core of a cable?

2014

What is the two pole structure?

1942

In a 3 phase 4-wire system. For a 3.5 core cable if all loads are single phase and balanced, what will be neutral current? will it be sum of all phase currents? Or it will be zero? And if loads are unbalanced what will be neutral current?

1713

CT Ratio of a energy meter connection is Red Phase : 100/5A, yello Phase : 50/5A & Blue phase : 100/5 A what is the overall Multiplication factor

1653

What are the advantages of hydropower?

1105

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

4583

does any one know where we can purchase insulation oil for high voltage oil filled cables

2338

What are the causes of having an rmu explode after installation? And how do u treat the bushings of an rmu?

2521

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