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 difference between real and reactive power? and what is the importance of these

3 6966

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

Siemens, UPL,

2 6845

What is OLTC in transformers and what is its function?

4 8032

Is there any thumb rule for cable selection for any current rating ?

1 5533

a room heater is connected in serise with a 100w bulb.if the 100w bulb is replaced by a 40w bulb then the output of the heater is increase/decrease/remain same?

College School Exams Tests,

9 26911

What is meant by Active and reactive power?

Siemens,

5 9032

What is difference between start imitation and start interlock for 3 phase motor protection ?

Siemens,

2250

what is the principle of generator, motor, and transformer and explain the definiton of flemings left hand rule , right hand rule and ohms law

NFCL,

2 18570

What are the reasons for AVR failure in LT DGsets ?

2 7940

Why breakers not synchronized when the synchroscope is going in the anticlockwise direction?

2 5425

why phase to phase voltage is 400v while phase to neutral is 220v?

1 6766

How many earthing pits are requier to disapper the surge current of one lighting arrester.

3 5277

Is it necessary to place tap changer in secondary winding or we can use on both sides?

3 6125

What is servo motor? what is its purpose?

2055

What are the disadvantges of leading power factor

5 8385

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Un-Answered Questions { Electrical Engineering }

how does a submersible pump work..?

1885

we are having 110 Kv,250mA Electrostatic precipitators for coal fired boilers. what will be static voltage and current after discharge and what time it will remain before earthing?

1908

State the methods of improving power factor?

1147

How to calculate the phase to phase clearness of HT /// LT bus bar?????

2080

what is two point starter?

2115

HOW TO CALCULATE HV CABLE SIZING?

3215

33kv substation lay out details & line to line & line to earth measurements

2621

Why we are going for converter transformers for DC drives application instead of distribution transformer?

2008

Explain in brief description about the operation of DG sets.

2450

why star point of HT motor not earthed?

2278

A 11KV, 1200 A breaker combination fixed in a cubicle for HT motor.Is normally for 11 KV motor fuse is using? if Yes, What range fuse is required?

1962

EHV current carrying parts need to have smooth finish,then how can a 245kv GIS with emery finish can run so long?

1895

what is model question rrb junior engineer electrical gr.II

1952

what is rocking arrangement in arc heating

2138

I need the list of Universities who have summer intake for BS degree in Electrical Engineering.?

2069

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