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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

What is restricted earth fault protection ?

1 4806

why a diode bridge is provided in vcb control circuit ?

2 5179

maximum transmission voltage in india ? & where is it situated ?

GIDC, OPTCL,

7 15682

how to increase the power factor in machines

5 7942

What is mean by earthed & unearthed cable? Voltage grade of 1.9/3.3 kV(E), 3.3/3.3 kV(UE), 3.8/6.6 kV(E)what it indicates??

2 17344

resitance in ac=1.6*resistance in dc

3 5861

Hello Can I use step up HV transformer 440/4160V as a step down? Thanks Evgeny

5 7810

what do you mean by mf of energy meter & its formula?

4 33973

What is Procedure the procedure to select CT's & PT's in 66kV and above substation?

BEL,

2 6398

What is GIS (Gas Insulated Switchgear)

Power Grid,

3 13966

What is meant by "tampering detection" of a electrical energy meter?

3 5303

difference between EMVT, PT & CVT ?

9 42933

while calculating the power absorbed by a resistor connected to the output of a half wave rectifier circuit should we use rms or average current? explain with reason.

Vedanta,

1 3729

can we say current flows inside an atom as electron moves inside an atom?

Vedanta,

7 10971

is IS says that neutral should be brought to switch box. and this one is a recomended practice

Sterling Wilson,

1866

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Un-Answered Questions { Electrical Engineering }

How cmd is calculated in case of energy neters

1915

how does commutator convert a.c to d.c?

2200

Why it is necessary to isolate fire fighting when you are taking shutdown for lv board.

1634

although ckt breakers have taken the place of old fuse. But instead of it , these older ones are still used in the industries and homes ? why .... what are their advantages and disadvantages ? which one is leading and winning the race and competition ?

2030

How many gap between finger contact in a.c.b. and v.cb.?

1287

How to calculate Grid rotor resistance(GRR) losses in slip ring induction motor?

4279

what is x'mer ,isolation x'mer & yltra-isolation x'mer?????

2478

what are the factors to be considered while design the breaker either HT or LT??

1921

What will happen if i replace a inductive proximity switch with photo sensor in a machine?

1826

what could be the RMS value and average value of a 4 phase sine wave?

1881

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?

1715

WHAT IS IEC? & WHAT IS BENEFIT TO PRODUCT FROM IEC?

2129

difference between a diode and thyristor?

2239

Why a tesa lamp is glow between two phase?

2007

working principles of cf lamp,incandescentlamp and f lamp?

2252

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