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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

How it can worked plc based electrical system And which type of software using.

ITC Infotech,

2160

HOW TO SIZE THE TRANSFORMER OR WHAT ARE THE STEPS INVOLVED IN FINDING THE SIZE OF THE TRANSFORMER FOR GIVEN LOAD SAY 2000KW ?

1 3700

what happen when power factor of 2 parallely operated transformer become equle?

Flextronics,

2257

how to calculate short ckt current of trafo. ex.3-ph 3MVA trfo. 11/440, impdence voltage=7.25%

1 3966

what the good value of earth resistance test

3 6076

If two transformers same rating(11KV / 440V)connected in the same primary line(11KV), can we connect(bus coupler) secondary side directly or need a synchronization????

3 12051

Why we use RYB phase sequence?

3 8132

what is the maximum rating(KVA) of transformer can be used in distribution side..(11KV/440v) and why??

Jindal,

1 4626

In a running D.G set engine and Alternator is revolving at 1500RPM but no output in the terminal>>>>what to do?? someone told excitation problem ....please advice

3 5964

If the Power Factor of generator is 0.85...What does this mean and Can the motors connected to this generator operate at PF more than 0.85 ?

1 4384

How can we calculate the efficiency of a Running (On-Load) Motor ? What parameters are required and what is the method ?

2039

How to select earthing strip for 100kw induction motor ?

2 3709

conditions for parallel operation of dc generators

4 13694

How can we calculate ac current from the given DC current when AC voltage is given?

2017

why induction motor having low power factor at starting time and high at full load.

BARC, HPB,

6 40947

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Un-Answered Questions { Electrical Engineering }

by using pump duty, how we will can calculate the motor duty(KW)? is there any standard or formula.

2035

How to select, design,size & calculate for 11 KV/33KV/66KV/132KV/220 KV/440 KV circuit breaker for HT side of transformer protection/HT distribution protection?

2813

What is steady state response?

1368

What are the two basic types of transformers?

1235

A cylindrical wire is compressed in length by 10%. The percentage decrease in the resistance will be?????

2316

How to minimize the eddy current losses?

1265

What is your acheivements

2218

How can we increase fuel-power ratio of any DG set?

1862

What is hipot test procedure?

1524

DEAR SIR/MADAM,CLEARLY EXPLAIN ABOUT CRAWLING AND COGGING EFFECTS IN INDUCTION MOTOR.

2027

Why cables and busbar both needed in LT Panels?

2239

i need the curve duty cycle and amper for (150 kva @50% dyty cycle) transformer turn ratio :19 and vin 400

2210

i have completed deee and i've (June2012-feb 2015 experience in electrical maintenance in pvt ltd company.company having HT & LT electrical power.how to apply electrical C-license ,NOW I was resigned my job,what are requirements of applying for c-license

1786

What is depreciation factor?

2321

What is T’Q and X’Q and X’D ? and what is saturated as well as unsaturated ?

1838

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