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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

sir, how to select the cable size, what is the parameters use ang what is the formulas use for this cable size calculations. please tell me.

ISRO, Power Grid,

4 15021

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

DRJ ARDE,

2294

what is meant by crawling??

10 17129

WHAT IS A COLOUR CODING OF 3 CORE CABLE

11 17487

What do you mean by cogeneration? What its working principle?

3262

what is mean by induction & conduction principle ? how they differ from each other ? thank you

1 4816

Sir, how to calculate the voltage drop and short circuit current of cable. please give me example and formulas.

1 6447

What is the Operating Powerfactor of UPS??? Why??

3 6608

when is the Ohms law is applicable?

ABB,

11 24216

what will happen if dc machine are supplied by ac source??

2 5692

what is the difference between static and dynamic induced emf?

College School Exams Tests, MRF, Suraj Constructions,

14 128402

IC 741 is opampIC..moreover AND OR NOT ICs also have '74' in them.. why is that number specifically used?

1 3896

how will calculate the safe starting current of 3-phase squirrel cage induction motor?

1981

in 132 kv transformer , in which range of transformer oil bdv required ? if it has around 50-55 , then how it was insulated the winding ?

Voltamp,

3 13237

WHY CAN WE NOT CHAGE SPEED OF SYNCHRONOUS MOTOR...............................JUSTIFY

ISMT,

2 5619

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Un-Answered Questions { Electrical Engineering }

what is advertised hop count

1829

How Can you do Maintenance of ACB of 2000Amperes

2124

would the same effect be achieved by reversing the connection to one winding of the induction motor 3-phase?

1872

how to decide no of electrodes for 1600A LT Main incomer panel

1710

What is the alternate solution for testing of polarity by using polarity tester while its milli ammeter does not works?

2047

Anybody tell me about modbus hex address of l&t trivector meter er300p??I want to read voltage,current,kwh etc via rs485...If anybody have a manual then send on my mail..Brijeshmodi18@gmail.Com

1952

How can we find the breaking capacity of a Load breaker switch (LBS) fed from 11 kv supply??ex:50KA, 26kA etc???detailed step vice answer pls.

2079

If Neutral Grounding Resistor (GR) failed/shorted. Is it repairable.

1685

how to calculate the earth fault current

2582

What is the difference between amorphous core transformer and CRGO core transformer?.

3800

On what cycle does thermal power plant operate?

1215

by what factor the starting current is used when comparing star and delta connection for motor starting?

2127

while doing high potential for 11KV 3 core cable how much leakage current will obtain?, what will be acceptance value?

2954

what is meaning of sympathetic tripping with respect to relays and give the values for current carrying capacities for copper and aluminium cables from 16sq mm to 500sq mm

5176

all details of DG UPS HVAC

2147

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