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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is the difference between AC Drive and VFD?

ITC Infotech,

10 18247

1. what is difference between VCB and ACB.how its works please explian.

ABB, Accenture, HP, Minda, Mother Dairy, Satyam Pharma,

6 68538

if HT side voltage is high current is low . and LT side voltage is low current is high please explian.

HP,

5 18540

what is electricity.

HP, L&T,

6 4193

what is maximum demand.

HP,

9 19929

if 20 hp motor starts directly delta connection.motor what will be the effect.

HP,

3 4704

if 20 hp motor starts directly stars and contenious run . what will be the effect.

HP, Ohsung Electronics,

11 13904

star delta connection used in reduce the starting current at 3 times . how its reduce the current please explian .

HP,

7 23675

what is on line transformer and off line transformer.

Cisco, HP, ICC,

3 5823

what is electricial and mechnical interlock.

Control Dynamics, EFS, HP,

9 58135

please explian how may types of maintenance works.

HP,

4 6648

what is safety measures of alternator.

HP, MNC,

10 21405

what is main parts of alternator.

HP,

3 12243

what is safety measures of transformers.

Amtek, Hotel Jobs, HP, RMU, SKFM, Taj Group,

16 60368

if AVR fails in alternator. what will be the effect.

HP,

13 22471


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Un-Answered Questions { Electrical Engineering }

how to compute kAIC?  with formulas...

3060


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1288


Which material is used for the core of a transformer and why?

155


Bimetal strip used in overload relay what is that,which types of material used for that & percentage.

1352


What is the tube exial fan?

1047






why dc is used in control circuits for MV & LV switchgeras instead of ac

935


how generator avr give to the input?

979


Is phenomenon of resonance is harmfull fr the machine? if not or if yes please explain it?

992


earth also having a gravitational force (magnetic field of north and south)but it attracts any object compare to this theartifical magnetic cant perform same as earth why?

919


dg started in plc mode and load taken later one battery terminal connection will be disconnected by loose connection what will happen for dg and shall we connect battery terminals while dg in load time?

1026


condition Autotrip facia come on control panel of electrical transmission line?

588


What are the classifications of heating element?

1028


if we apply 1000ADC instead of 100ADC or We apply 50ADC instead of 100ADC,What will be happened in the test result value.Pl explain

473


How to Calculate the Fault Level of Electrical Installation

1310


what is the difference between active power and reactive power and apparant power in practical as well as theoritical

986