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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

why HT armoured cable does not glanding

TCE,

1 4348

AC SUPPLY HAVING 230 V FREQUENCY REDUCED ZERO IF MEN TACUCHES THE SUPPLY WEATHER HE GETS SHOCK OR NOT?

8 10773

What are the drawbacks of HVDC system?

4 6138

I have 380.KVA Volva Penta DG set. Tell me how to calculate units from KWH reading....

3 7170

I have 380.KVA DG set how to Calculate the units from DG.

Ozone Pharma, Sperry Plast Limited, Sterling,

2 12488

While performing load test on DC SERIES MOTOR, does the voltage decrease slightly. Why?

2 6657

what is the difference in using the 125% and the 250% factor of safety in calculating circuit breakers capacity for motors,which is more reliable to use the 125% or 250%??

1 4743

sir , what happen if we decrease ( approx 3 inch ) the lenth of shaft in 110KW Induction , three phase motor. actually a 110KW motor is couppled with star couplling to 120TR compressor. When we doing maintenance in compressor it is required to skid the motor backword and resulting dis- alightnment . so we want to change the tyre coupling in place of existing coupling. so it is required to cut off the rotor aprox 3 inch form driving side.

2 4448

what will be the difference on output when 3phase I.M. is given a delta or star supply?

3 5568

The following equipment are installed ia a plant 1. 110KW Induction motor 4 Nos 2. 30 HP motor 3 Nos 3 15 HP Motor 3 Nos 4 7.5 HP motor 4 Nos what is total load of plant if one of each is stand by.

Blue Star,

3 5914

what use can we make of 3rd harmonic component

Bhel, General Motors GM,

5 13668

What is 100% protection of generator? Why 95% protection is used not 100%?

NTPC,

9 41221

What are capacitive,resistive,inductive surge absorbation? What is ferranti surge absorber? What is lagrangian cost? What is Px operator?

1 2070

how the voltage between all the three phase is zero can any body explain me

5 7774

what is the difference between energy efficient and high efficiency motors

2 6349

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Un-Answered Questions { Electrical Engineering }

hi frds, i m electrical engineer.can i get cdr for electrical engineer if u have then send me on my mail id its jayesh_ee88@yahoo.com.please help me frds

2265

hi plz send me reliance placement papers..i.e electrical technical papers that have been asked in reliance test.

3026

Is it possible to measure correct value of earth resistance & cable insulation ristance with out disconncting earth lead & both sides of cable ends? If not, any other method to measure ER & CIR with out disconneting from the system.

2196

i am in need of AC SYNCHRONUS MOTOR 30KW. ANY ONE KNOWS THE MANUFACTURER OF SAME. ALSO MOSFET AC CONVERTER 20KVA CONT.OUTPUT.

1997

please send me previose rrb junior engineer qustion papers

2223

xfhnchncv?

1978

send me any model test paper of clerical post of state bank of india.......

1929

hi this is hema can anyone mail me previous years questions for the APPSC-A.E.E (in electrical stream.) ......thank u.

1991

what will happen if synchronous machine rotor fed from single phase ac supply

1815

What is the magnetic field (coil DC ) of Turbo Expander?

2138

how to interlock 3 nos MCCBs using under voltage coil. please provide me circuit diagram?

2675

hi can anyone pls tell me the eee interview core questions asked in l&t

2145

What will happened if the neutral of the (star connected secondry) Xformer disconnected? (if its Above KVA rated one)

2249

What will be result if we connect LT votage to the terminal of HT motor?

2215

can you send me the placement papers of electrical engg. from companis like NTPC,DRDO,IOCL,HPCL,BPCL etc.?If,plz send as soon as possible.Thanks.

2217

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