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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

if voltage bt phase & nutral is 38v in a panel board . whats the root cause.

2314

how many minutes or seconds taken by the transmission of electrical power from generating end to distributing end?

3 6150

why u r living from presentaly working.

2572

Why the steam turbines are run at high speed where as the hydro turbines are run at low speed?

1 5057

describe the constructional features of an auto transformer and its principle operation

2358

What is Black-out and Brown-out situation in the context of voltage stability in power system?

1 5794

Pls tell me what is the exact current conducting capacity of copper and aluminium cables?how much capacity of cables need to 90kw induction motor&how?

1 4498

Purpose of lighting transformer.

2 5405

What is ill conditioned power system?

1 9713

What is a captive power plant?

2 7391

What is the % number of various buses in a typical power system?

2 4847

On which side, taps are provided in tap changing transformers and why?

2 6586

During the transients in alternator,the mechanical power input remains almost constant while the electrical power output changes significantly.Why?

1 4239

Amoung all types of short circuit faults in a transmission line which one has less number of occurance and why?

1 4259

What are various power system instabilities and what are their effects on power system operation?

1 3606

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Un-Answered Questions { Electrical Engineering }

block diagram of 2 ups system connected in hot stand by mode?

8059

what is the difference between linear choke and suction choke?

2734

What are motor generator sets and explain the different ways the motor generator set can be used ?

1168

What if high voltage side circuit breaker of a ehv transformer instead of lvcb? Kindly elaborate.

1748

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

What id difference between power and energy?

1350

Why electrical power generation and transmission done in 3 phase system not more than 3 phase ?

3070

What is a differential amplifier? Also, explain cmrr.

1320

In Electrical 'Single Line Diagram' cable nomenclature shows "2 X 1C X 630sq.mm to be provided for one incomer. The question is how many cable to be proved for one Incomer.

1751

ELECTRICAL DRIVES: can a motor load system with passive load torque can have equilibrium speed in second quadrant

6319

Why saturation region slowly shifted in the left side?

1855

how to calculate the no load current in transformer?

2522

what will happen if frequency is below 50 hz?

2028

what is the major difference between LIBBP & HIBBP.. which one is most preferable..

2984

What are the weight of 800KV DA,DB and DC type tower ?

3146

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