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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Which machine u will prefer to use at where flameble gases are comming out & why?

NTPC,

1 2159

What causal system?

NTPC,

1 2051

Shunt reactor is used in EHV Transmission line for..............?

NTPC,

2 6024

Which lamp will fuse first(1)20(2)40(3)200 three lamps will fuse together

NTPC,

2 3577

Which is remain unchanged in transformer action?

NTPC,

6 7821

short circuit test of transformer gives what?

NTPC,

9 8863

transformer core are laminated for what purpose?

NTPC,

9 34344

What is triac?

NTPC,

3 3974

what is the use of Auto re-closer?

1132

what is auto re-closer?

1444

what are the types in Relay?

PLA,

1 1353

what is the type of starter used in tube light?

2 3291

WHY HVDC?

3 3943

Explain what is CBCT.

1 1457

what is protection class current transformer.

Matrix,

1 2763


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Un-Answered Questions { Electrical Engineering }

Define noise?

167


working of diesel generator ?

851


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

1116


What is the unit of attenuation?

163


How will change the frequency in distribution side?

927






What will happen if the d.c. Machine is operated below rated speed?

171


I have doubt that the supply HZ (very low or high than rated ) may affect the power factor. is it true. ?

814


Witch do depand of Power factor and theory of power factor?

1215


- two pumps must work with them at the same time but if the first pump start the second pump  must delayed for some time to start  also , with motor rated power = 90 KW and rated voltage = 380 V and rated power factor = 0.85 lag please draw the power and control circuit for it and determine all circuit components parameters that you use it

1752


How to calculate phase to phase difference ?

1230


What is the difference between line drop and percentage line drop?

568


HOW DOES THE ELECTRONIC ENERGY METER WORKS?

1132


Is MEN and RCD related to each other ?? IF yes then how??

991


In the N-series schneider reclosers. What is the difference between current during fault time and current at tripping? This appears in the Event log in an event of a trip out.

844


can anyone provide me a amf panel control wiring using ec-2 relay?

1241