Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what will happen if we give a dc supply to a transformer.?

10 17434

how ti maintain the power factor in power generation

1 3155

what is vector surge & vector shift? we have 25.3 MW(11kv) generator & 11kv/132kv transformer, connected with with 132 kv grid.vector surge relay is tripping frequentaly.what is permissible maximum limit for this.

3 10053

3 Core x 35 Sqmm Cable (How we measure 35Sqmm)

Alpha Star, Brother,

4 61274

How CT & PT ratings are decided for a 11KV or 33KV transmission line?

3 16982

what is the effect come when i changed the alternator exciter field winding DC palority(+ve & -ve)which is coming from AVR.

Wartsila,

1 4078

how steam converted into electricity in power plant

4 5541

tell me about roaster switch .& what is the function in transmission & distribution?

2151

what is the function and use of cable differential protection relay?

2383

why frequency should be constant?

2 15226

how can we find CT coil not working ?

7 16232

What is a pulse transformer?? Can it be called as a dc transformer??

1 2142

In iduction motors the current is higher than normal for both the cases when the voltage appllied is more than the rated as well as less than the rated, why?

2 3481

what happens to current , when voltage drops .?

11 23483

in power generator normaly voltagr betwween esth to neutral is 0 but my work place generator show the volatge is 60v any body know why? thanks

1401


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Un-Answered Questions { Electrical Engineering }

how we can explain arc heatng?

1453


importance of reactive power management

1569


How to test the vector group of a Yd11 transformer? what are the relations to be checked between various vectors to confirm this vector group?

3985


what is meant by vector group of a transformer? How can it be derived?

1503


what is control supply rating of a machine

1475






how we test a 3 phase motor on single phase supply....? HOW WE RUN A 3 PHASE MOTOR ON SNIGLE PHASE. supply for testing..? how we verify of a 3 phase motors 6 wire & name thame a1/a2/a3..b1/b2/b3 and c1/c2/c3 for connecting star delta starter ........i have only 1 phase supply ? help forum..........

4393


Igfet is a

1181


Explain about Dubai electrical sysaem? Explain about Dubai drinking water system? Explain about Dubai Burj tallest building Electrical,Water.etc.. maintenance system?

1646


Explain Creepage Distance of Insulator

1723


What are the three major categories of error?

652


State uses of different types of stsrters with different capacities of motors as below: a. up to 5HP b. above 5hp to 10hp c. above 10hp to 20hp d. above 20hp

1458


For high frequency application we use which transformer?

1335


How to measure the earth resistance value in a concrete pavement(flood light area)?

1709


I am going to appear RRB Sr. Section Engineer Exam, Electrical. Can you send me previous year questions of RRB Electrical engineer. specially Section Engineer questions. my email id is likerahulworld@gmail.com

1350


what is the meaning of vcc

1886