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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

Why can not you store AC power in battery like DC power?

NTPC,

1 5389

Can run 11KV(5MW) slip ring motor by appling 415V? if Yes and what are the processors?

2 3280

explain the meaning of harmonic resonance

2117

How can a transformer test by megger?

Bosch,

1 5655

Hi, My plant daily consumption is calculated as 3.8MWH but my supplier has sanctioned an power of 2.6MW per day. how can i equal or distinguish this two factors

1905

How CT is connected to measure current by changing plug setting , ratio is 300 - 150 / 5 A ?

Ajanta Pharma, Bhel, Cosmo Films, Suzlon,

1 3945

any body can give me idea or sketch of fuel(Diesel) level controller for genset.

1 3587

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Bhel,

2183

'documenˁ

1968

IF DISTANCE IS 100METERS B/W AMP.METER AND CURRENT TRANSFORMER WHAT WILL BE AFFECT IN ACCURACY .METER CAN SHOWING ACCURATE CURRENT OR NOT IF NOT WHAT CAN I DO TO GET 100% ACCURACY.

1839

what are factors to be consider in electrical installation like load factor,diversity factor .....

1809

What tests should i carry over on a newly rewinded DC Generator with voltage rating of 38 volts and current rating of 350 amps, to certify that the machine is OK?

1883

what is LSR?

2196

why some transformer without breather.

GTS,

1 4228

what methods are used to improve power factor?

3 5871

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Un-Answered Questions { Electrical Engineering }

what are carbondioxide and dcp used in fire extinguishers

2055

why ups rating in kva? and why ups are in parellel?.why isolation transformer is used in ups?

1939

whatare the disadvantages occur,if the form factor of transmission will not be equal to 1.11

1866

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

1957

Witch do depand of Power factor and theory of power factor?

2096

Sir, I have applied for the of Jr.engineer(Electrical & Electronics) & ASST. LOCO PILOT at ALL RRB BOARDS. please send me all RRB Boards solved papers in the year of 2001 tO till date. i requested send me the papers to my id as soon as possible (jet_0991@yahoo.com). (This is very urgent) Thank You,

1845

delta motor winding resistance I take normally single winding is 2.5, which value is came delta connection ie RY ?

1999

Logic using 1 kV or 1,1 kV grade in house wiring Low voltage cable. Explain/suggest? some use 1kV and some prefer 1.1kV grade insulation low voltage cable why??

1653

What is the criteria for selecting the voltage classes of an AC Induction Motor.The KW rating above/below which ht/lt selection is made may be provided in details.

1648

How can we findout the maximum efficiancy of Transformer? At which load?

2083

What should be current in the Primary and secondary side of 1000KVA (11KV Supply)Transformer.?

1057

what is the maximum temperature rating of a thhn insulated conductor?

1854

i have gear oil pump with single phase motor.some time its motor starts running in reverse direction rather than forward direction...whats the reason behind this issue. 1- either capacitor is week? 2- or winding is week?

1410

Is it advantages of having star-delta vfd than normal star vfd , if yes why?

2258

What is the count of hvdc transmission lines in india?

1098

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