Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is the acceptable insulation resistance for motor/transformer?

Reliance, Tata Motors,

2 4172

what is the effect of higher value of GD???

VEPL,

1341

Why battery rooms painted with dark colour

BAL, MSETCL Maharashtra State Electricity Transmission Co Ltd, Polycab,

1 4815

why the transformer primary terminal indicated by u,v,w.to technical reason

JNTUK,

2 2876

Dear sir, I completed DECE In the year 1995.Now i am working in a private company from last 10 years as an Electrical supervisor.The company having a 1000 KVA transformer.Now i try to apply "C" Licence. I am eligible or not.If not eligible,pls give solution.

Balavigna,

1287

Define Electrical Insulation and examples of Solid,Liquid and Gaseous insulating materials?

MPPTCL,

1316

why to need a electrical earthing?

2 2577

What is the ladder circuit?

Mitharg Information Systems,

1 2195

A electrical meter has load 500 kw. In 2 hr what rading will come on meter.

2 2697

I want definition for ABT Meter (Availability Based tariff) ?

Radha Regent Hotels,

1524

What is balance beam relay ?

Roman,

2 2973

how can i find ct ratio of meter by seeing name plate of meter and how it should be used in MF calculation if it shows only-/1???

Harshal Electrical,

1251

why do MCB melt but not tripped in lighting highmast??

AHPCL,

1 2346

How to calculate LT XLPE CABLE for 11 kv / 433 v , 1000 kva oil type transformer system?

Tata Power,

1352

why there using acb enclosure in big buildings

Tata Power,

1536


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Un-Answered Questions { Electrical Engineering }



1657


what is transient enclosure vltage , very fast transients, very fast transient over voltages

1642


what is the Earth Voltages in Power Plants, Sub-stations, Industries, Residential & Commercial Buildings.

1658


What will be the output voltage of a transformer if it is primarily energized from a square wave voltage source?

680


define displacement & magnitude ?

1391






i need previous entrence exam papers of nhpc.

2363


what are the condition that makes hooter blow?

1868


I have a situation to design sub-Distribution board/Panel meant for feeding power sockets. In the incomer CAN i Take TP MCCB with Neutral Link and All the outgoing feeders with to sockets with TP MCCB and Neutral Link? P.S : My System is IT Earthing

1319


On 400 amp factory load how kvarh capacitors provide

1294


List of equipments required foe industrial repair lab.

1507


HOW TO REDUCE POWER PLANT AUXILIARY POWER CONSUMPTION?

3002


How to calculate Grid rotor resistance(GRR) losses in slip ring induction motor?

3624


How can i calculate the Breaking capacity of molded case circuit breaker, is the breaking capacity of CB for Diesel generator shall be less than grid supply's breaker ?

1706


WHAT IS counter flux IN CT?

1528


errection check list for transformer maintenance

2180