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.

2284

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

3 6048

why u r living from presentaly working.

2519

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

1 4991

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

2316

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

1 5719

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 4406

Purpose of lighting transformer.

2 5314

What is ill conditioned power system?

1 9631

What is a captive power plant?

2 7313

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

2 4744

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

2 6508

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

1 4169

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

1 4207

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

1 3536

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Un-Answered Questions { Electrical Engineering }

Draw a SLD of HT distribution EB grid up to users Transformer?

6173

What is the difference between Encoder and Resolver?

3465

what is meant by class 1 E in electrical power supply?

2048

for 750 kw LT load what will be the ht kva

1611

How do I calculate a WTI CT ofa 1250kVA 6600/400V transformer

1720

What are the main parts of central chiller plant? Explain the function of each stage.

4762

In 90 kva alternator that produce the output voltage is 115(p-n),200(p-p) at 1500 rpms means what ampere it produced ?

1997

what is droop control?

2125

how 650 volts creates? where is use?

2160

Is neutral transformer can be called as control transformer?

1939

could an induction motor be used for regenerative braking in electric-train control? in this type of application would some scheme have to be devised to obtain low synchronous speeds while braking? would induction-motor drive, therefore, be suitable for passenger service?

1998

What is resonant peak?

1070

how we decide scurt (disc) of insulator with respect to kv rating

3513

Haw to check conductivity of budbar

1770

when we design electrical schemes of 11/.415kv distribution..wen and were should we show the relays??what is the function of it?for example..we place EFR Relay CT between transformer neutral link and transformer earth.Like this what are the other type of relays we should use?why?where?Explain please..Thank you

1761

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