Electrical Engineering Interview Questions
Questions Answers Views Company eMail

which type of motor complete it's one rotation in 30 day's.

2 4101

Are you connected Transformer neutral eathing with it's body earthing or earthing met of switch yard.? Yes or No ? why ?

2 3988

1.what is difference in maintain Hz again Hz in USA ? 2.how to calculate the battery AH? 3.why are yearly maintained in transformer how many tests in required?

Areva, Google,

2227

what should be the acceptrd value of winding resistance for 2.5MVA transformer

1850

what is difference between earhing and neutral

2 7321

Find defination of KVA convert in to KW.

ABB,

4 7351

why the efficiency of generator is more than the motor in case of swinburne's test????

1 4407

a solar energy installation utilizes a three phase bridge converter to feed energy into power system through a transformer of 400v/400v.the energy is collected in a bank of 400v battery and is connected to converter through a large filter choke of resistance 10ohms.1.the maximum current through the battrey will be.2.the kva rating of the input transformer is.

GATE,

1 5912

what is the current law ?

Aster, TCS,

4 5848

why we need of power factor correction? give advantages

3 5242

how to calculate transformer load?

Lanco,

1955

In power plant synchronizing time (synchroniging meter should be 12'o clock position only. why not 6'o clock position not possible.

ITC Infotech,

1 3112

What happen to generator if i have unbalanced load?

Reliance Energy, Sail, TCS,

1655

how can i get elcctrical supervisor license & Certificate of competancy in gujarat? i have completed my B.E (Electrical) course from gujarat.

NTPC, Welspun,

2 5778

is it possible to export & import power in a same transformer.how

2 5001


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Un-Answered Questions { Electrical Engineering }

Pl.brief me any electrical major fault you have rectified.

1497


What are differences between Voltage, EMF & Potential difference ?

1403


How much dc volt applied in cathodic protection system?

1841


What is the difference in calculating size of AC cables compared to calculating size of DC Cables? Usually DC Cables are larger than AC Cables although they have the same ampacity. Why is it?

1527


what happen if the load connected to the induction motor is taken away? the same question for synchoronous generator in synch i think that the the exitation voltage will appear on the terminal only if so plz answer me

1544






before synchronizing an alternator,power factor is leading ,why?

1022


define digital electronic

1581


What is stacking factor? What is its approximate value?

793


What is the maximum percentage voltage drop (vd%)for a motor control center

1553


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?

1807


All tape of electrical questions Answers tape of motor transformer e.o.t crane

2118


The Howland current source produces a A Unidirectional floating load current B Bidirectional single-ended load current C Unidirectional single-ended load current D Bidirectional floating load current

1649


advantage of motor design on higher power factor . normally motors are designed for .8 power factor. what is advantage of designing at .88 power factor

1395


How to calculate the multiplying factor for energy meter with ct ratio given

1545


Merits & Demarits of Oil circuit & Air circuit breakers ?

1615