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 a Universal motor works in Both A.C and D.C? What is the constructional difference with other single phase motors?

1 4937

in a induction motor if we put capacitor across it will the power factor of the motor will improve? if yes how

Reliance,

6 10201

What are the saftey parameters in transformers?

2 6627

Can without battery on line UPS,off line UPS or Invertor works please brief.

5 10607

what is the differebt between ac and dc fuse?

IBM,

2338

wat is d first thing to be seen 2 lay a cable in a particular area??

1 3500

what is mean by current? and voltage?

4 7587

in transmission line 11kv is step up or step down? why?

5 14176

why tan delta test conducted in electrical equipmenr

4 13045

is there or does RCCB work for single phase connection?

2 6410

whenever a squirrel or a crow gets tangled near the out put of the feild transformer there is a discharge of 440 volts of current through the neutral due to which my appliances blow up causing a huge bang.will the RCCB help in these conditions

1 3177

why we are using star connection and delta connection? difference?

5 18561

In 400KV Switchyard, we have used Circuit Breaker With PIR, what is the significance of PIR & why they'r used?

2 20586

how to CHECK CT AND PT AT THE FAULT OCCUR IN GENERATOR RELAY PANEL .

Birla,

2282

What is the difference between rulling span and wind span of of an Over Head Transmission Line?

2325

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Un-Answered Questions { Electrical Engineering }

what is the use of commutator in dc motor if we supply ac ? commutator is used to convert ac to dc.and it is used to arrange the flux in unidirectional in case of dc supply. if we give ac as supply to dc motor what is the use of commutator?

2088

If not into production, how far did you follow the design and why did not you see it into production?

2176

What is the working principle of CFL & T5 tube light & 40W tube light with electronic ballast?

3955

What is the Designing & Selection Procedure for a DG/Transormer of rated capacity?

2183

If rotor works in clock wise what happens

1910

What are differences between Voltage, EMF & Potential difference ?

1995

Why DG set is not installed in Terrace ??

1121

Explain how to determine capacitor tolerance codes?

1199

how does directional relay work incase of ac ?

1515

Why field rheostat is kept in minimum position?

1245

In diesel generator how AVR get voltage to excitation. And basic diagram DG EXCITATION CIRCUIT.

3323

please send me the previous year's question papers of jindal GET exams

5905

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

1669

Difference between ac parallel circuit and ac series circuit?

2117

hi , i have 150 kw loud and we need 50 m cabil,i want to know wich size cabil we use. thanks

2160

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