Electrical Engineering Interview Questions

4426

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

5187

What is the function of an exciter in a generator?

8684

What is an exciter and how does it work?

67949

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

119897

What is encoder, how it function

40089

what r the checklist while installing a 380 kva DG set

2309

what r the checklist while installing 500 kva transformer

690

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.

298459

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

11651

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

6708

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

28455

what do u mean by bus bar?

7054

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

FAG,

8209

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

2271

Un-Answered Questions { Electrical Engineering }

will there be any problem by recovering slip from single phase induction motors?

416

how we sesign the transformer give some specifion regarding design of transformers

401

WHAT IS DIFFERENCE BETWEEN CAPACITOR AND CAPACITANCE?

397

why only exciting current is shown not primary current in transformer???

397

Can you tell me more about pu systems (per unit systems )calculation in large power systems? how to get the base for voltage and power in generator, transformator and transmission lines?

800

what is meant by impulse voltage?

503

How we calculate the Multiplying Factor of Kwh meter for 3 phase alternator.

290

The synchronous machine excitation system explain

109

what is positive , negative & zero equivalent system resistance

444

PLZ EXPLAIN THE INTERLOCKING AND CONTROLLING OF CONTACTORS????HOW CAN I DO THAT?

2778

What will be the voltage impact on secondary side of two transformers with different vector groups when both voltages are compared.

522

132/66kv sub-station procation ?

432

Why the frequency of ac in india is 50 hz but in some other countries it is 60 hz.

678

we have 15 ampere variyac but we want 30 ampere variyac what we do

232

how much UPS neutral erath leakage current.

1940