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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

1. What is differential relay? How it operates?

3 6038

How to calculate the Short Circuit Impedance in Transformer?

3 7884

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

2038

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

2 6401

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

2006

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

2 7256

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

3 19202

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

1 4614

Why DC Currents are not used in transformer?

4 8071

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

2 4793

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

3 7038

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

2 4902

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

3 10560

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

3 7838

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

2 5555


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

Did RMU have ct and pt ?

1360


what is star delta starter? how it works? give its control and power diagram.

2094


i am completed my degree(B.E EEE) 2014 anychance to get electrical licence plz help me

2149


How stabilizer works??

2121


I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

1806


what is effect of 5amp fuse on 2mva pry protection of transformer

1853


What are the advantages of the three-phase motor over single phase motor?

1090


for opening electrical shop, tips needed.

1829


how is calculated the quantity of weight in hot test xlpe?

2514


what is stper motor

2420


What are books to be referred for KPTCL exam?

3683


As per the Anchor capstan motor specification, full load current is 200A. starting current is 1750 A and acceleration time is less than 8 seconds. Please guide for selection of cable size.

1849


Which motor connection is preferable star-delta or delta-star?

1086


WHAT IS THE DIFFERENCE BETWEEN GENERAL INVERTER AND SOLOR INVERTER TELL ME PLZ

2214


How we calculat the NGR of 3phase Generator, Our generation voltage 11KV

3311