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Electrical Engineering Interview Questions

6376

What is Exact meaning for Full load Efficiency and Maximum Efficiency of Transformer? Is there any Difference between? If yes ,please provide with formulae?

8801

What is the function of an exciter in a generator?

12807

What is an exciter and how does it work?

87327

What is the difference between MCB & MCCB, Where it can be used,

131521

What is encoder, how it function

48899

what r the checklist while installing a 380 kva DG set

2962

what r the checklist while installing 500 kva transformer

1358

I want formula to calculate cable size as per load given in kw & amp.I searched many sites but didn't right answer.Plz reply me asap.

398322

what happens when a power transformer neutral earthing broken???

16458

what is power factor? whether it should be high or low? why?

10491

what are the various types of earthing? plz give brief detail of all. also post pictures if u have.

35562

what do u mean by bus bar?

9045

what is the relation b/w KW and KWH? plz explain with example.

FAG,

10416

what is the principle of operation of synchronous motor and generator? explain in detail.

3947

Un-Answered Questions { Electrical Engineering }

i am studying in final year can i allowed for 23rd UES of Indian army

1247

how can found motors folt current ? how can disided circuit breakers caoicity and breaking capicity ?

1112

any one can explain the stages of a knee point which is taken during ct magnetising curve.

918

WHAT DO YOU MEAN THE DIFFERENT TYPE OF CURVES OF RELAY LIKE STANDARD INVERSE, VARY INVERSE, NORMAL INVERSE, LONG INVERSE ETC....

1126

How to do cable earhing? whether by grounding Armour to ground or by running extra G.I wire along with cable? which one is preferred mostly amoung them? If the second one is more preferable how many GI wires to be run along with cable (1 or 2)?

1107

what is the diference between the 4pole & 6pole DC Motors & what is advantage 6pole over the 4pole ?

1149

Why is the frequency not changed during transformation of electrical energy in a transformer?

306

What is the exact formula for one weber of magnetic flux?

1257

what are the applications of PLC?

1133

if two transformers are placed parallel & both have fault impedance of 50KA will it increase or decrease show example?

1159

what is strip power factor?

1235

1163

In our plant we have installed new MCC with ELR and CBCT which is detecting some leakage current in the system but it leading to some confusion when to check that in which feeder which is drawing current we put off the whole panel itself but still CBCT detecting some leakage current so can anybody ans me , where i am going wrong or how to detect whether its actual leakage or CBCT malfunctioning.

1182

Which contains in POLE ASSEMBLY of a 11KV Kirloskar-make SF6 (Model No-FP620A12)? Will u clarify with drawing?

1296

hi friends how 3 phase converter functioning ?what is working principle of rotory phase converter ?

1239