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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

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

10 16511

how ti maintain the power factor in power generation

1 2936

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 9264

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

Alpha Star, Brother,

4 59687

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

3 16475

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

Wartsila,

1 3751

how steam converted into electricity in power plant

4 5103

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

1991

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

2238

why frequency should be constant?

2 14889

how can we find CT coil not working ?

7 15398

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

1 1900

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 3100

what happens to current , when voltage drops .?

11 22341

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

1221


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Un-Answered Questions { Electrical Engineering }

I am inpecting a 10kVA UPS what tests should i do and should i observe?

1583


what can be the causes of capacitor start motor having a higher current that its actual

1332


What we mean by vintage of an engine+Generator?

1397


Why 30kw 40 hp 4 pole 3ph induction motor over heated?any steps on reduction in heat?

1075


How can we calculate the motor frame sizes?

2753






PLZ EXPLAIN THE INTERLOCKING AND CONTROLLING OF CONTACTORS????HOW CAN I DO THAT?

5179


why we have and use 3 phase not 2 or 4 or other in power system?

1529


What is a differential amplifier? Also, explain cmrr.

489


could you measure current in parallel?

488


how can we calculate the ratio of caustic soda and water in lrs.

4915


How many energy meters can be connected on a 15VA Voltage transformer. please send a calculation sheet.

1360


what is the purpose of high speed earth switch in gas insulated substat

2359


Define early construction of human being

1264


What can you contribute to the progress of our Company as an employee if you are selected?

4667


what is meant by impulse voltage?

1370