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

Electrical Engineering Interview Questions

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I am working in transmission network, one of my 66kv line having short distance about 6km, when sending end voltage is 67kv receiving end get 69kv, i want to know that, does distance affects in this matter, please explain in this matter & if possible answer me on my mail id, kaushikkumar.vanavi@getcogujarat.com, kaushik.vanavi@gmail.com

5 7920

is the electrical energy photo copy possible or not???????????? give me some idea about that i m very great full tu u.

5 6677

What are the difference between CT/PT operated Meter and RRAMR Meter for HT/LT application?

1 4816

A resistor,inductor and capacitor are connected in series respectively.Voltage across resistor is 40v,across inductor is 70v,across capacitor is 100v.Then what is the total voltage applied across the elements?

5 10323

What happens if we give ac supply to dc shunt and series motors individually

Essar,

4 10808

what is meant by VDC ?where its applicable ?

2 4894

What is NDR in HT capacitor panels.

2 12426

what is the transformer efficiency?

5 7194

If the positive terminal of batteries in 125 v dc system is connected to earth what will happen ?

4 7407

why the energy meter disc rotates anticlockwise while reading

KSEB,

1 5616

what is harmonics? what are the factors it will depend upon

KSEB,

2028

what is power factor when in view of a lineman

KSEB,

3 7103

what is reactive power is it good or bad for a system

5 16561

why some harmonics are disturbing while the others not

1 3801

how to find the 2500 KVA transformer rated primary and secondary volt and current?

4 10831

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Un-Answered Questions { Electrical Engineering }

Assuming that a dedicated neutral earthing transformer is provided for each GT generator, when the two generators are running in parallel, has consideration been given that the earth fault current from one generator stator winding be split between the two neutral earthing transformers? If so, what adverse impact will this have on the operation of the 59N and 27TN devices?

1658

EXPLAIN WHY THE SURGE CURRENT RATING OF AN MCCB OR CIRCUIT BREAKER DECREASES WITH INCREASE IN THE RATING OF MCCB OR CIRCUIT BREAKER.

2030

explain comutator action in detail.thanks

2255

what is the necessary of using inductance property in transmission lines even through resistance is used to opposes the high current flows in that?????

1894

how withstand of hi-pot test outputs of transformer wire 2.5mm

1972

What is the approximate value of stacking factor?

1161

how does the thyistor work in dc drive?

1982

what is the reason for indication of light in the earth lamps of main switchboard.if there is an earth why does one lamp get dim and the other two bright.

2345

For high frequency application we use which transformer?

1931

what is effect of length of air gap on performance of dc motor and generator?

1887

Please brief working principle & construction of permanent magnet AC Servo motor

2236

how to setting Load amps tripping time and extra settings for load Transformer protection relay with RMU panel using C&S model relay..?

1138

What is the permissable nutral current of three phase system as per IS standards?

2110

What does a Bode plot tell you?

1298

How can calculate the earthing strip of Copper/GI for rating of 30kV,discharge current 10KA Lightning arrester.

2326

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