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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

what is the working principle of DC generator ?

DRDL, HCL,

10 20040

In zero voltage we can pass supply to our body means we cant get shock its true ? how we can do it ?

4 6235

what is the difference between brushed alternator ,brushless alternator & permanent alternator ?

1 26577

What is system earthing?what are the types?

ABB,

1 3678

why it is so called as xlpe(cross linked poly ethyline) cable?

2082

How single phase & 3 phase motor select rotating direction ie clockwise/anticlockwise

DRJ ARDE,

6 11048

a 50hz motor to give 60hz whats happening in motor.what happen the motor.

6 9379

in Megger what type of voltage(AC or DC) are produce.how they work.

1 12894

An AC coil to give DC supply whats happen in the coil.what type of problem are create.

2 5000

An AC Motor to give DC supply what happen the motor.whats the problem are create.

2 5281

what type of motor are there in megger how they work.

2 5151

how to avoid electrical shock how capacitor store charges wat are the speed control of induction motors state faradays law flemings left hand rule what is rotary converter wat is transmission and distribution what are the sources of energy abrevation of acb,vcb,sf6,igbt what is output equation of transformer which test copper iron and iron loss are calculated what is eddy current draw a single line diagram (10 marks) draw direct online starter(10 marks)

1984

phase colour is indicated by R Y B (red yellow blue) but in transformer i have seen U V W instead of (R Y B) have any meaning of this

Areva, Kim Yew,

3 21570

how to calculate the capacitor to maintain power factor?

Bosch,

2169

What is expand formation of AYFY cable

HP,

2 5953

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Un-Answered Questions { Electrical Engineering }

R=*¶ l/a

1620

63MVA,220KV/6.9KV Transformer LV side neutral is connected to Earth pit through NGR. Whether this earth pit required to connect with near by below grouding earth mat or it is to be kept separate?

2746

In CTs tan delta point should be earthed , what is the reason behind it?

3025

The efficiency of a 100kva transformer is 0.98 at full load as well as half load , for this transformer what is the Copper loss at full load ?

2335

What are different types of control systems?

1253

What is the difference between solid grounding and impedance grounding?

2116

The ripple frequency in output of fullwave bridge rectifier is a. Half the input b. Twice the input c. Same as input

2263

If ROC does not lies inside unit circle,then ? a) Fourier transform converges b) Z transform converges c) Hatly transform converges d) Colpit Transform converges.

2284

checking procedure of capacitor based motors.used in fans etc?

2122

What is the actual meaning of thermal power efficiency ?

2173

Differentiate between digital phase converter and ordinary phase converter.

1239

where can i get vijaya electricals limited in hyderabad interview auestions can u give me the website address plz

2146

Give some differences between open loop and closed loop?

1109

how is the cable tray designed & how its total length is calculated for an Industrial plant Say for Ex. (500KW Motor Load)

1897

How can we choose the rating of submersible motors

2637

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