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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

when transformer in load condition neutral earth testing wheater we can do it or not

1 3903

What are the protection schemes used for protection of transformers ?

Engineers India Limited,

3 8352

neutral earth resistance testing is it possible for transformer while in load condition

1945

how to identify the cable quality and what is flame proof cable

2110

Is it possible to obtain 480v or 550v in single phase output by giving the input to 230v to a single phase torodial type transformer without using a stepup transformer?

2000

what is phase angle and how its generate moreever how we measure the phasse angle?

1 4674

what is the diffrence between capasitor and battery?

2 5636

Why does inductive loads consume KVARs?

2074

why phase to phase voltage are 290 rather then 440?

Bosch,

1 5164

A FIELD MAGNET IS EXITED BY AC/DC?

4 6859

why we use isolation transformer?

Godrej,

2 7145

what is load cell? whrere its used ? how to measured?

Essar,

2 6096

how a single machine can act as both motor and generator? and give explanation interms of connections?

1 4256

why surge protectetor work explain with the help of circut diagram?

2006

On wat basis TSM & PSM are set? Example.TSM=30% n PSM=2.5A....Hw they are set and how we come to know that the particular relay should be set to this value only?

2 6551

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Un-Answered Questions { Electrical Engineering }

I'm looking for a mnaual set for a Teradyne J750. Softcopy would be preferred but I'll take what I can get.

2203

WHY THREE PHESE SYSTEM VOLTAGE APPLIED IN 440 VOLT

2343

in parallel operation of power transformer why the distance between power transformer and capacitor bank feeder is necessary to know

1821

In a voltage-controlled current source A A current booster is never used B The load is always floated C A stiff current source drives the load D The load current equals Isc

1888

Define what is the function of anti-pumping in circuit breaker?

1324

What is the formula to calculate the rating of a three phase air circuit breaker

2322

how we can adjust for three phase motor cold stall time ,hot stall time and thermal register set up?

2889

Why computer humming sound occurred in ht transmission line?

1128

Which contains in POLE ASSEMBLY of a 11KV Kirloskar-make SF6 (Model No-FP620A12)? Will u clarify with drawing?

2174

1)Explain why the cradle guard is used on railway crossing in overhead line construction?

5061

What is the difference between grid and off- grid system??

1953

HOW THE OLTC TRANSFORMER SAVE ENERGY IN COMPARISON TO OFF LINE TRANSFORMER AND IS IT ECONOMICAL TO REPLACE THE OFF LINE TRANSFORMER TO OLTC TRANSFORMER

2194

Transmission voltage is kept 11KV,33KV,66KV,132KV,220KV due to form factor. What happen to 400KV and 765KV transmission voltage?

2171

what is the prinsiple of dc motor and construction and working ,application of dc motor.

1957

The series field winding has low resistance while the shunt field winding has high resistance. Why?

1722

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