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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

1. What is differential relay? How it operates?

3 5924

How to calculate the Short Circuit Impedance in Transformer?

3 7760

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

1994

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

2 6306

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

1964

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

2 7152

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

3 19042

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

1 4529

Why DC Currents are not used in transformer?

4 7910

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

2 4694

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

3 6880

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

2 4814

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

3 10445

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

3 7648

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

2 5479


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

for what purpose the star point is done in ct

1368


How to calculate the External Resistance required for 60HP slipring motor in case no any data of the Motor is available???

2020


give me atleast four differences between circuit and network

2145


how to calculate the conductor size for certain KV transmission line and distribution line?

2462


Draw transformer phasor diagram.(full load,no load)

4122


What happened if C.T mount at any cable or Bus bar in wrong direction . C.T going on proper work or not . C,T direction is essential thing to properly work.

1747


How much inductance or resistance require as a starter in series with induction motor of specific capacity(e.g. 5 hp) ? What is formula for it ?

1920


why ahould you show client/engineer activities clearly on the project plan

2743


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)

1951


how do i work out the Amps of a incommer if i am running 1 37 KW motor and a 0,75 KW motor and some solinoids

1859


How do apply electrical 'c'license......pls advice

1659


What happens if we give the supply to the rotor of induction motor and make its terminal shorted?

3992


how to calculate current carring capacity of cable and cable selection? 1) copper flexible cable 2) copper armoured cable 3) Aluminium cable

1560


What is big transformer parts and their function ? Ty

2151


how to select correct size of power cable for inverter duty motor

1525