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 a transductor ?

2 6113

Which is the best protection in case of shortcircut fuses or mccb ?

2 5288

I need a 33/690V Dry type transformer.How to select IP class for this transformer.This will be an outdoor transformer located in a highly polluted environment.

3 5447

why ground clearance of EHV line is more than HV line??

2 5224

How Id and Ires are calculated in siprotech 7ut612 and abb trsfmr differential relay.what is the formula

1 3610

What is the minimum percentage of power that a powerplant can support in ilanding mode ?

1 3161

what happen if any one phase of a slipring induction rotor winding is open?is it start or won't?

Aurobindo, Hetero,

2 6508

why make protection 85% of winding?

1 3368

What is the basic difference of turn ratio & transformation ratio for a transformer?

IGT,

8 36048

some ac motor's direction get change dueto ghanging input to the ac drives.(say ryb to rby). but some motor direction remains the same when phase sequence is changed fromdive side. can anybody guide me?

1 4993

whatdo mean by chopper fed drives.used for ac drives.

1992

There is one 40MVA oil cooled transformer (yet to commission), filled with 95% oil and we are trying to fill 5% Nytrogen in that transformer so that there should not be any foreign component inside. But even though there is no leakage, nytrogen is not withstanding inside transformer, within a day or two pressure guage is showing 0. Why is it soooo? Pls reply.

1 3637

What is the use of Surge Capacitor in LAVT?

Snipe Engineers,

1 13711

What is the difference between MCCB & MOCB?

1 9536

In our domestic single phase line if you don't have a ground connection (earthing)how will you separately use earth in a specific power supply board.

1 3553

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Un-Answered Questions { Electrical Engineering }

hi everybody how to design string combiner box (scb) internal parameters like bus bar and spd (surge protection device and fuse which place to set that,and also bus bar one particular cross sectional how much heat generated and how much power loss tell me Clearly and briefly

1992

What are the classifications of heating element?

2046

what is the necessity of under ground cables ??

2083

What are the advantages of instrument transformer?

1166

What happen if 200 KVAR capacitor connected to power continuesly?

2124

How grounding is different than earthings?

1165

How servo stabilizer works.

2123

How to synchronization will be done between two DGs ?

1773

As i want some model question paper in basic computer science and history please send me immediately sir

1883

Give the topology of current amplifier with current shunt feedback?

1213

What will be the current drawn by HT motor, if low voltage is applied.. any formula to calculate the LT amps of HT motor.?

1452

What is the ratio of true power to apparent power in an ac circuit?

1140

While testing LA mast,What are the parameter limits ?

1902

Please sent me some previous year question papers of BSNL-JTO telecom and RRB in ELectrical Engineering to varshashahi@yahoo.com

2062

plz explain the auot-reclosing circuit in electrical engineeing

2484

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