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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

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

2 6123

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

2 5209

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

6 10017

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

3 7799

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

Bhel,

2 7694

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

4 10380

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

3 7716

What is the equipment used to control the generator output?

3 5966

What are the factors to be considered during the Synchronization?

3 6910

What should be value of Circuit breaker operating time and tripping time?

5 15066

Why the CT Secondary is rated as 5A generally?

2 5911

At which time Synchronous generator act as a Synchronous Condenser?

1 6619

What is the purpose of taking Capacitance and Tan Delta Test in Transformer bushing?

2 8072

What are the protections to be used for Generator?

3 6332

Draw the vector diagram and condition for the following: 1) Dyn1 2) Ynd0 3) YnYn0

3672

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Un-Answered Questions { Electrical Engineering }

What is the count of hvdc transmission lines in india?

1098

why Y CONNECTION IS BETTER INTERMS OF EFFICIENCY AND P.F FOR A LAOD LESS THAN 40% AND WHY AFTER DELTA IS BETTER FOR > 40%

1950

in indoor type circuit breakers why only the corner breaker trips specially during cold season. What is the reason.

1879

33kv substation lay out details & line to line & line to earth measurements

2621

What is the maximum No. of out going mccbs permitted from an LV distribution paqnel? What is the ampere relation between incomer and out going switch gears/mccbs?

2076

anyone please send transformer parameter design formulas & details of tap changer ? plz i have interview this week its more helpful for me ?

1864

explain PV modules in solar energy generation.

1928

How to know of any cable size if there are not written on cabl?

1903

why HT armoured cable does not glanding

4239

What is a difference between indoor transformer and outdoor transformer of same rating

5824

What is the automatic voltage regulator with servomotor?

2035

What is meant by control system?

1186

Define coil span?

1076

what is the difference between changer, converter and transformer?

1538

howmany electrician should maintain for a 1000 kva used plant... in kerala..

2109

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