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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

1. What is differential relay? How it operates?

3 5935

How to calculate the Short Circuit Impedance in Transformer?

3 7774

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

1997

While testing the 33KV Busbar by using Hipot kit, what should be the test voltage we have to apply?

2 6325

What is the procedure/activities to be taken to inject the current more than 2000A by using 2000A Loading Transformer?

1971

Explain how you can give the overload setting to any Motor Protection Relay for a HT motors with formula and example?

2 7169

Why restricted earth fault protection is needed? Why can’t differential Protection is sufficient?

3 19063

. What should be the minimum and maximum ohmic value for earthing?

1 4539

Why DC Currents are not used in transformer?

4 7929

What is the Frequency while we step up the voltage from 220V to 11KV? Is it possible? Explain it?

2 4716

As per the theory current doesn’t flows in Neutral, but practically it is not applicable, explain why?

3 6897

How to take the Vector Group Test in Transformer? What is the purpose of doing Vector Group Test?

2 4822

. Why the transmission lines are in 11kV, 22kV, 33kv, and why not 10kV, 20kV, 30kV?

3 10459

Why do we generate 3 Phase AC Supply? It is possible to generate 4 Phase and 5 Phase explain it?

3 7681

Explain why the Voltage drop will happen in 3 Phase line?

2 5491


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

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

6280


can you please send me the technical questions and aptitude questions of honeywell and jindal steel electrical engg. question paper my e-mail ID is(kkesavanraj@gmail.com)

1953


In radial network the source is fed from 1 end both ends at central

2078


what could be the RMS value and average value of a 4 phase sine wave?

1837


describe the A.C. Generator Testing procedure

2129


explain the function of brush less dc motor?

2045


how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?

1889


what is the difference between switchgear and circuit breakers and is there any difference between outdoor and indoor switchgear and circuit breakers , and how would you differentiate between switch yard and substation and grid station . thanks

2179


After taking shutdown of 11kv feeder, if you see 5kv by phasing stick in the cable side, is it possible to close earth switch in cable.

2322


what is earthing transformer? draw the winding dia.of earthing transformer.

1688


and gate circuit diagram,amplifier circuit diagram

2035


What is the previous name of Cox's Bazar

2193


how hazordious area is classified at an oil & gas plant and categorise suitable class of electric equipment in that area like induction motors, LCS, Lighting Fixtures Fluerescent/Flood lights Mercury& sodium lights, J.Bs, Power Cables etc

1806


A jet of fluid strikes a plate What was the force required to counter it?

1847


what is relay what is protection & contact multiplying relays where it is used function in brief

1140