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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

any earth foult trip the relay but in welding time not trip by earth foult

Power Grid, Siemens,

2552

Explain Circuit Breaker Trip Characteristics in detail.

L&T,

1489

why tan delta test is carried out in the power transformer? which parameter are measure?

1 3713

can we use IGBT as a AC-DC converting device in the applications?

2 3120

placement paper samples of mspl company

MSPL,

1301

What is meant by sotf,lbb,power swing,pole discrepency,auto reclose?

Bunge, Electrical, Omega, TCS, TNEB Tamil Nadu Electricity Board,

1 5833

How to discharge the battery as quickly as possible ?

1 2797

What is the difference between rated and maximum speed of 3phase induction motor.....? Can the motor speed exceeds the rated speed..?

1 3651

Is there a standard depth of gravel fill in Substation Switchyard? Please give a design/drawing. Thank you.

4545

Why capacitor blocks DC current?

2 2489

Why AC current leads voltage in capacitor and how?

BMB,

1406

What is the difference between voltage and emf ?

DRDO,

3 5486

What is the function of a capacitor in a ceiling fan?

2 4217

What is complex power?

DRDO,

1 2633

Why the power generated in dams is complex power? Why the generators in dams cannot produce Real power directly (i.e power which has zero reactive part)?

1153


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Un-Answered Questions { Electrical Engineering }

Igfet is a

1038


What are the causes for the failures of sandwich type (Al) busducts?

1231


Explain the method to keep noises low in a control system?

466


What is the meaning of C1, C61, C91 cable

2413


How to measure the earth resistance value in a concrete pavement(flood light area)?

1496






WHATIS TIME CONSTANT? WHATIS ITS SIGNIFICANCE? ILLUSTRATE THROUGH EXAMLES.

1450


The 3 phase Delta connection RB=440V, BY=350V,.......* is Line to Line voltage RY= ? And Formula....?

909


what kelvin's law ?

1381


what is x'mer ,isolation x'mer & yltra-isolation x'mer?????

1598


sir, i am 3 years diploma course pass out candidate.what type of certificate can i got in marine service.

1279


how i chosse capacitor bank if my energy meter is 48 kvr? tell me capacitor bank chossen formula?

1765


what is difference between 5A and 100A CT constructional wise and operation?

2588


what are the available sizes of pin type terminal lugs in the market today?

1209


What are the disadvantages of thermal power plant?

480


No load tap changing transformer working

1054