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 difference between tie bus and bus coupler?

1 19399

Why does the radius of armature is less than the radius of pole shoe?

ABB,

2161

Why C.T secondary s2 done earthing?

4 15538

what is Harmonic effect?

2 4939

Star & delta kis principale pa hai.

ME,

3 6096

in dc machines in the armature nature of power is ac but why we take rasistance instead of impedance?

1 3580

What is the difference between Droop vs Isoch Control?

2438

Determine the BTU size of an aircon for 20 sq metre room

1879

why it is necessary to maintain frequency constant in a power grid ?

NTPC,

1 6151

what is the difference between electrical wire and electrical conductor?

4 18973

how to reduce earth resistance in sandy soil.

1 3845

How do i carry out or know the vector group of a Dyn1 and Dyn5 transformer

2049

1.what is the difference between transformer differential and busbar differential.2)why we are using 2 slope for trafo diif and 1 slope for busbar diff.3)what is the purpose of metrosil and stabilizing resistor in high impedance relay circuit.4)how metrosil reduce the peak volage.5)what is the funtion of stabilizing resistor

4872

what is quality factor in series resonance circuit and calculate the factor of voltage magnification? how it happens?

BARC,

1972

how to change the load sharing between two synchronized identical alternators when both are running with Diesel engine? assume both are feeding to same feeder?

BARC,

1 3554

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Un-Answered Questions { Electrical Engineering }

how harmonics generated in induction furnance? how minimise it?

2007

how to calculate the tarriff for an industry whose kva demand is 10 mva

1984

How harmonic block test are conducted on relays ( Siemens,Areva ect )power transformer using omicron kit?

2274

WHAT IS THE WORKING PRINCIPLE OF A GENERATER.how is a GTG (Gas TURBANE Generater) working.plz explane

2529

What will happened if the neutral of secondary of Xformer ( Star point) Note it's above KVA rated Xformer

1889

1. transformer design formula ? 2. how to calculate the primary turns and secondry turns ? 3. core types ? 4. how to find the primary current and secondry current ? 5. how to calculate the stacking factor ? 6. range of fulx density ?

11190

After doubling voltage from solar cells & use step down voltage transformer can we get high current output with low voltage.

1983

What are the different towers used in 132kv transmission line? what are the differences between the P,R,S towers used in 132KV and detailed explanation

1916

what is the standard duration after failure EB power

1839

what is transient stability analysis means?

2147

What is your acheivements

2164

why capacitive load is not used in routine life????any reason is there ??????

1776

how to Select Lighting arrester? What r the parameters to be considered for the selection of Lighting arrester ?

1739

what is the defination of Cable database? What are the points are considered while preparing cable database? Is there any sample available for cable database?

1904

how to calculate the cable current ratingand and how much of distance the rating will be ok will the distance is incresed what the action we take

2128

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