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Electrical Engineering Interview Questions

Difference Between Isolator and Mcb

43042

Please tell me ceilingfan sweep means. Commenly we used sweep1200mm and 600mm MMENLY WE USED CEILINGFAN SWEEP1200MM AND SWEEP600MM

13435

we want install 11KV generator to supply power 12km far from the power house.Load to be fed is 1MW.which conductor should we use and wat will be transmission line losses?

2913

What is the basic principal of Diesel genarator?

6907

What is the main uses of VCB & ACB?

4471

What is the use of arc chute in ACB?

13488

how can we change the supply voltage?

4662

how do i convert 22kw to kva

12867

What is meant by field loss in a DC motor?

4983

why in crona effect it give violet colour.

2318

what will happen if we will not use commutater means if we will give dc to the windings in dc motor

3818

I AM A ELECTRICAL PANEL BOARD DESIGN ENGINEER.IF I GO ANY INTERVIEW ,TECHNICALLY WHAT ARE QUESTIONS I WILL FACE FROM INTERVIEWER?

Bell,

11349

can a 50 Hz transformer work satisfactorily if placed under 60 Hz,what are the prices and losses that will arise

4441

What is static frequency control used in gas turbines

2371

What should be the length of transmission line so that we can see/obtain the full sine wave of voltage??

1027

Un-Answered Questions { Electrical Engineering }

How much no load current of synchronous motor

1208

i have been tasked with a design of protection, metering and control(PMC) relay panel extension to accommodate all PMC relays.There is an already existing panel where this one will be built.What are the design aspects for this kind of project? thank you.

1181

WHY THE RATINGS OF THE TRANSFORMER IS 33KV WHY NOT OTHER???

1530

how we calculate the dick for a pole?

1262

the winding of Generator and Motor is star or in delta ? and why

232

What do you mean by a phase angel of instrument transformer?

251

sir i want previous entrance exam papers for written test

1286

hi, i finished b.tech eee in 2008, im worked in dg sets mfg company , now i left job in 6months back, now again i want get job core side, how can i get? is there any couses we have learn to get better oppurtunity? /

1025

Dear sir, In our plant have Station Transformer having capacity,i want to know, why LV side 40 - 40MVA is given? & how we can get 6.3 KV supply from tertiary(i.e. Open delta connection), Vector Group YNyn0 - yn0 +d MVA Rating 80MVA / 40 - 40MVA + 26.7MVA Voltage rating 420 (Tap range +6,to -10)81.25% /11.5KV - 11.5KV +6.3KV

1376

What is the function of RCBO? What are the different sensitivity ratings & each application?

1622

Why have to use copper cable for local isolator to motor ?

1245

Why the unit sizes of hydro generating machines are not standardized as in case of thermal powerplants?

221

If one lamp connects between two phases it will glow or not?

245

In how we connect watt meter for open & short circuit test of a single phase transformer.

4713

How much pf maintan in dg set in 6o% load,when Dg runnig Neutaal Earthing removed what happen.

1025