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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

what is the procedure for erection of a transformer

TCE,

1 4733

what are the differance between neutral and earthing?

3 6770

how to select the rating of neutral ct with reference to transformer secondary current(in power transformer,stepdown tansformer,for example2000kva,11kv/415volt

ASD Lab,

2 7019

Why transformer rating in kVA not in kW?

ABB,

5 8169

How to calculate Maximum Demand from Energy meter Reading.

Etisalat,

1 15137

What, in the construction of a transformer, controls KVA? For example 600/208/120 V transformer can be 10kVA or 45kVA!!! What do we change in the construction of a Transformer in order to change the rating but not the voltage.

1 2517

how Local Breaker Backup relay working?

1 4710

What is the function of a capaitor in 1-phase IM?

1 3770

Is there any capacitor in 3-phase IM?why,xplain.

2 3377

How will you utilise electrical power? You can start from the generating station.

1914

400Kv,can it be generated?why?

2 4761

What is domestic transformer? Draw the connection of domestic transformer.

2322

Tell me the reason of connecting domestic t/f primary in star or delta,and also secondary side.

1971

How supply comes to your home?

3 6059

Draw transformer phasor diagram.(full load,no load)

PowerTech, Trine,

4178

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Un-Answered Questions { Electrical Engineering }

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

1919

What is the ideal position cooling fan inside the dc motor?

2091

As a electrical engineer.. what are the basic norms should follow in transformer oil testing.. 1.What is the Electrode type? 2.How long time you will give for oil testing?

3640

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

1773

What is “pu” in electrical engineering?

1139

How to protect sensitive loads such as Dosing pumps inside a factory from voltage surge/voltage fluctuation.

1809

What is diversity factor in electric installations?

1177

The Q-facr o of a coil given as wL/R. what will be shape of Q versus frequency graph.

2022

What do you mean by Stimulastion Test in Diesel Genarator / Why & when it's conducted ?

1649

Why efficiency of generator is higher than motor at a particular load?

2075

how many electricity poles are there and what are the names and their sizes.

1918

completed BE & done apprentice at tneb & having experience 6 years. want to get c license. will apprentiship & BE be helpful for getting c license. will i get any preference by showing this?

1663

what is conductor constant of raccun conductor

2237

compare between starting charactristics of synchronous motor with those of 3Q Squirrel cage induction motor

1791

what happen if field of dc shunt motor opens? what is function of putting res. in parallel to one phase of 3 phase IM? the power supplied by 5A source in circuit is given by------Watt.

2054

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