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 red,yellow,green colours lamps are used in the traffic control?

Samtel,

2 6329

What type of bulb used in small size cross symbol boder and original flame type(Deepam)?

1 3464

Why heat produce in AC machine higher than DC machine?

2 5749

Wat is the best to use in a generator a 6.5kva or a 7 kw

4 11987

my name is venkat .i have good percentage in my academics(ssc 86, intermediate 83 b.tech 73) my question 1..after completion of my ssc i joined in bpc but i didnt got rank in emcet so i completed MPC in one year compartmentally ..so here what am expect question from this background?

1971

i am venkat i got gre 930(verbal 270 quanta 660) and my toefl score 105..here question is why u got less score in gre ? what i supposed to tell...any chance of rejection is there...my accadamics record is very good

2192

How does a digital electronic meter work??????

2100

how much test voltage should applied for tan delta test.

Electrical, TATA,

2 5832

What is 11 N1 and 12 N2 in single phase Transformer ?

1983

How short circuit MVA(Fault MVA) in a power system calculated for calculating number of earth plates ?

NA,

2353

While connecting the flood light plug on to the 415 V distribution panel,there was spark and the cable got burnt. Three ignitors of the flood light also burnt of. The lamps are of 400 W (total 6 lamps) connected through 1.5 mm2 cable. The plug was immediately removed from the circuit. There was a 30 mA RCD connected and a 250 A MCCB; however both did not trip. What could be the possible reasons for the circuit devices not to trip?Can someone assist please. Additional info if needed can be provided.

2 4757

What is the main difference b/t Earth leakage relay & Earth fault relay.I want protect my LT panel(Distribution Panels)which relay have to propose.......

1 4398

What is the difference between neutral and ground?

Cethar Limited, Torrent Power,

3 8154

How many types oil using in transformer ? How many letars using in transformer..?

TATA,

2147

what happens when dc generator coupled with cycle shaft.also explain what happens when its loaded

NTPC,

2193

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Un-Answered Questions { Electrical Engineering }

What is the estimated total hydropower potential of india?

1191

I am B.E.electrical engineer having 7 years of experience in Transformer testing upto 315 MVA.I want to khow how I can get the 'Electrical Valuer' License.

2146

What is a diode?

1115

List advantges of active filter over passive filter?

1132

What test must you do before powering up a circuit that you have been working on?

1908

how a resistor resists to flow the current?how an inductor oppses the sudden change in current?how a capacitor opposes a DC voltage.

2820

can we conduct the swineburne's test on a dc series motor? why?

2191

What is sensitivity of a measurement?

1182

How can maintain our H.T. motors used in cement plant. please send me procedure.

5188

why 3 phase is converted into 2 phase using electronics circuit why not 2 phases are diresctly putted from the 3 phase transformer??

2241

Can I use distributon class/transmission class Lightning arresots for protecting the building? If not why please explain?

2011

What happens to voltage when current is zero?

1338

What is a differential amplifier?

1322

what is parellel power factor correction?

4485

what is meant by flywheel and its role in retardation test

2464

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