Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

how can we convert 48V dc into 12 V dc? Any standard device for it??

2 5409

hwat type of motor is used in thermal gas turbine hydro nuclear power plants and why

Bhel,

1893

In a power system we know that if the generated power is less than the load then the frequency of the system is decreases.So does this mean that total required load is delivered at alower frequency?

1 3337

what is The difference between national electrical code and I.S.Code (electrical) and what is the value of NEC in electrical engineering field

2019

An 11kv system consisting of an underground cable to a sub station about 300 meters away was shut down for about 10 hrs. On energising, it tripped off on earth fault about 10---20 mins later 6 times but since than it is not tripping.its already 3 weeks now. The SPAJ was found to be fine. what could be the cause.No test had been done to determine the cause of the trippings till now because of demand.

2 4639

How can i check a relay good or not?

2 5231

DEAR SIR, HOW TO CALCULATE WELDING TRANSFORMER CAPACITY IN KW OR KVA (POWER). TWO WELDING TRANSFORMER USED WHAT TYPE OF DG SET CAPACITY LIKE ( 45 KVA OR 62.5 KVA), PLEASE TELL THE WELDING TRANSFORMER RATEINGS. I AM REFINARY (TANKS WELDING) THANKING YOU

2 10095

Why transformer, generator, ups rating kva?

2 6447

in alternator why on load terminal voltage is less than no load teprminal voltage

1 3911

Why we use parllel operation of alternator

1 3760

need of capacitor used in plant

3 5475

In a generator (Synchronous) does the rotor speed (frequency) corresponds to the speed of the water (in hydro). does the torque on the turbine relate to the flow of water?

2 4436

When in a large power system if the demand of power is larger than the generated power the frequency of the power system drops.(assume the rated frequency is 50Hz and now it is 49Hz) So does this mean the demand is totally supplied with a lower value of generated power in a lower frequency?

1 3434

what is slip what is the use of slip?

1 2548

How can decide the MVA rating of power transformer for substation like 220/132, 132/66, 66/33kv etc or even higher kv rating of substation???? Send me the strictly technical answer that shows your strong technical aptitude.

6 30166

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Un-Answered Questions { Electrical Engineering }

What is magneto on a gas generator. how it functions. its out put is d.c or a.c. how it can be checked for correct functioning

2009

Initially, when the input is not equal to the output â€” what type of response is this?

1061

What is the effect of solar radiation on the design of an Isolated Phase Busduct?

2362

Keywords: Die, Card, Coin, B/N 2 To 12

1280

What is miller crystal oscillator? Explain its operation?

1111

what could be the RMS value and average value of a 4 phase sine wave?

1881

how to calculate the lightning arrester conductor @ no of earth pits required

2122

How the setting of the vector surge relay shall be calculated when the relay is to be used for Grid islanding application?

2262

What is dc current source? Differentiate between ideal and non ideal current sources?

1473

is it possible to start a motor in felid connected to a remote mcc

1932

How to dimensioning SDCCH, LAPD and CS7 signaling on GSM?

2693

State magnitude criterion.

1116

sir my exam is on 19/6/2013 under electrical branch pls send me sample aptitude questions as well as sample technical questions for jindal steel and power company

2175

If we want to change a contactor of faulty one what are the conditions want to fullfil

1994

What is self exciting?

1699

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