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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What are the causes of electrical faults?

307

Write down the classification of the transmission line?

302

What is the difference between a fuse and a breaker?

298

What are the commonly used schemes for the bus zone protection?

294

What is electrical earthing?

337

What is meant by reset level of the relay?

325

How many methods use the load flow solution?

379

What is the difference between the relay and the circuit breaker?

302

What is the power plant or power station?

363

How many types of fault occur in a 3-phase power system?

363

What is the importance of earthing?

331

What is the GI Earth Flat Size recomended for 33KV 2000KVA Distribution Transformer

1 545

What is mean by hot and cold loop testing? What is the difference between them?

278

What are the different modes of plc processor?

324

What is mean by hot and cold loop testing?

324


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Un-Answered Questions { Electrical Engineering }

I have a relay contact rated at 220v dc which is supplied with a 24vdc from the panel,for it to trip the dampers(24vdc).What if the application of the relay changes so that it should work at its rated 220vdc then will it work at 24vdc supply given or any other consideration needs to be taken .....

1333


The slip during plugging operation is given by= A 1-s B 2+s C 1+s D 2-s

2035


what r the safety measures in UPS ? explain all?

1372


why power not passes in plastic and rubber material

1223


Is single load(eg: three phase motor) having all the components like positive,negative,zero sequence components during fault condition?

1056






WHat is the general checks required for Dry type transformers

1313


Why transformer used in UPS??

714


my diploma certificate in my higher education college

884


How can we find the breaking capacity of a Load breaker switch (LBS) fed from 11 kv supply??ex:50KA, 26kA etc???detailed step vice answer pls.

1243


What are the types of instrument transformer?

318


why connecting surge unit in contactor coil

1070


Basic motor transformer generator

594


what is Fault level? why it is calculated? how will u decide same for our plant?

1220


how can i improve the power factor in domestic (230v)

1211


(In MEP services) HVAC in AC Plant room what else can we provide if the chiller is not considered?

1262