Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is the difference between AC Drive and VFD?

ITC Infotech,

10 21447

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

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

6 72540

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

HP,

5 21723

what is electricity.

HP, L&T,

6 6172

what is maximum demand.

HP,

9 23045

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

HP,

3 5831

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

HP, Ohsung Electronics,

11 17974

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

HP,

7 25701

what is on line transformer and off line transformer.

Cisco, HP, ICC,

3 7125

what is electricial and mechnical interlock.

Control Dynamics, EFS, HP,

9 64539

please explian how may types of maintenance works.

HP,

4 8153

what is safety measures of alternator.

HP, MNC,

10 28865

what is main parts of alternator.

HP,

3 13715

what is safety measures of transformers.

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

16 65980

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

HP,

13 25452


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Un-Answered Questions { Electrical Engineering }

Give some differences between open loop and closed loop?

627


Differnce between negative Pahse SequenceFunction and unbalance Function?

1282


specific difference of ICT&Auto Transformer

1368


What are the effects of adding a zero to a system?

667


What is the function of auadag in a cro?

664






how to calculate single phase motor efficiency ?

1507


Why electrical power generation and transmission done in 3 phase system not more than 3 phase ?

2559


i want use the cable size 16cx4 core aluminium usege watts 240x2000w this cable size is correct?

1776


what is working process of star delta controlling circuit ?

1389


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 ?

1791


What are the types of windings according to the construction?

594


what will happen if earth of 33 kv cable (earthed system) is not connected to earthing pit?

1529


what happens in the short circuited secondary transformer,if the resistance of the short circuit is increased gradually?

1912


i m in need of current rating chart of heavy duty pvc/xlpe, cu/al cables. can somebody provide me? if yes, plz send me at ashish_patel111@yahoo.com

1518


solor panels arrange some angle,panel is flat fitted energy was produced or not why?

1404