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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

The unit of electrical charge is the

1 3522

When placed close together, two positively charged materials will

1 5067

A thermistor is a type of

1 3596

A two-terminal variable resistor is known as a

1 4279

A circuit breaker is a

9 8704

what is infinite in infinite bus

GES,

4 6514

Can any answer me ,What will be the range of C.T coil for L&T energy meter EM301 used for 180 kva DG set

2159

Which power will flow first if we switch on a motor Active or Reactive? How?

3 5458

how to calculate current when LT supply 415v fed to HT Motor 6.6kv and 1120kw.

2 12767

We all have seen transmission and Distribution lines In transmission lines the voltage is high and current is low(to reduce I^2r loss) and in distribution lines voltage is low but current is high however the size of transmission wires is bigger than that of distribution wires even though the amount of current carried by the distribution lines is more than that of transmission lines why?

4 6654

How can we have to decided motor connection as a STAR-DELTA or DELTA-STAR?

IOCL, Jindal,

3 7215

Pl.brief me about Electrical power distribution system from Main generating station to Industry.What is the use of in between station.

ARDE,

2044

in indoor type circuit breakers why only the corner breaker trips specially during cold season. What is the reason.

1837

IN 3 PHASE INDUCTION MOTORS SOMETIMES COPPER BARS ARE PLACED DEEP IN ROTOR WHY..?

ONGC,

3 11506

how to find out three phase motr kw with out name plate..

2 4820

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Un-Answered Questions { Electrical Engineering }

is there any device that works properly accept relay, it may be fuse but if i want fuse of 33kv 300 amp it is avaliable, pls give me details

1944

What is the formula to find out two phase active & reactive power

2143

what does vector group Dyn11 tell us? also tell me how will u differentiate between phase lead and phase lag thru this vector group

2040

IF 8255 CONTROL WORD IS 94H,Tell the chip port work mode ?

2538

Define stepper motor. What is the use of stepper motor?

1165

How to calculate the size of earth cable to earth the neutral of UPS ?

1894

what is the criteria for selecting fuse rating in 1phase, 2phase & 3phase welding sets?

1738

what is the prinsiple of dc motor and construction and working ,application of dc motor.

1915

what is a bus riser in power system and why it is used

46062

Define active filter?

973

Where voltage are high and current to be interrupted is low the breaker preferred is:

2245

What is quadrantal symmetry?

1614

what is the role of transistor in Circuit?

1138

what is die electric strnth of transformer ?

2139

working principle of AC Servo Motor with its construction

8849

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