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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

describe the Tranformer testing procedure

1037

describe the A.C. Generator Testing procedure

1268

please write motor, transformer, Generator setting, fault level calculation of Tr.etc

1101

if power factor comes in leading & showing -0.95. Is there any effect on electrical system? if yes, then please tell me what would be the effects. & how long we keep power factor in leading. Keeping power factor in leading shows more KW & less KVA is it correct or not.

Jakson,

2 5364

what is rotor earth fault protection scheme in hydro generator & what is dc field flashing ?

NHPC,

2 7437

how dg's working of 1000kva.

1 4850

what is the principle of switch gear? where its function ?

9 21346

what is the difference between capacitive voltage transformer & inductive voltage transformer.

3 20053

How to know the back up time for a 5KVA UPS which is connected to 15 nos. of computers? Is there any formula for this? pls. tell me.

HAL,

1 2732

what is the power rating of CPU, CRT type moniter, LCD type moniter,scanner Approx.

HAL,

1256

Generally at what power factor the electronic equipments like computer, TV, EPABX etc.,operates. Please tell me.

HAL,

1 2696

what is the reason for indication of light in the earth lamps of main switchboard.if there is an earth why does one lamp get dim and the other two bright.

1392

Which type of power plant is more easier to produce electrical power at economical condition?

HAL,

5 6589

can i able to get bhel previous exam question paper?

Bhel,

1275

in three phase with neutral connection, what will happen,if the neutral is in open condition with single phase distribution panel

4 7021


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Un-Answered Questions { Electrical Engineering }

Advantages/Disadvantages of earthing of neutral bus on MSB instead of separate neutral earthing for transformer/DG sets feeding to MSB

1832


What is deference between MCB & MCCB & ISOLATOR

1035


Post possible questions for Power Factor Panel FAT / SAT

587


how brushed dc motor operating ?

1036


Why we specify TNC switch with 1NO 1NC ,2NO 2NC ? how we get connection.?

887






WHAT IS THE PARTIAL DISCHARGE TEST?

1211


a battery is having capacity 100AH and 25% charging .if a load taking 10A & connected 6 hour .what is the final condition of the battery.

821


what is efficient motors and how it is different from normal induction motors

1042


can a 150 kva 3 phase 440v/230V delta-wye step down transformer can be use as step up transfoermer with connected loads at 440v side?

849


What is lighting kitts.

1210


design of IGBT firing circuit for 11KV

1680


How may I enrol or get admission to your program?

1139


i had aplied Hindustan Petroleum corporation limited for the post of maintenance technician -Electrical,i want model questions,if anybody have please send it or please advice?

1064


how we can calculate chiller required ampear?

1184


what is diff. between earthing grid,earthing mess, earting grid?

1446