Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What are the advantages of using distance protection schemes as opposed to normal overcurrent/ earth fault protection on high voltage feeders.

Eskom,

2988

What is x/r ratio?

1 3542

Can you explain operating principle of Inverse Definite Minimum Time” (IDMT) relay

2 12394

Is it possible to protect 3phase overload and earth fault of the 3phase system using two CT's.

1554

how do you find making current and breaking current of the circuit breaker

1 3084

how you connect the induction motor first in star and then delta in star-delta starter

1 2758

what is the differences between single phase ind. motor and three phase ind.motor?

3 4456

what is the difference single phase and 3phase starter

1 3882

at meter room 50 hrc switch installed,but there are not get earthing proper,so what happen?and 11kv transformer out put going in to hrc main 400a three nog each? so earthing is require for all switch? (some customer made earthing at there home.)

Ebrahim Textile, Siemens,

1439

?? how to calculate lighting system ????

L&T, Synergy,

1 2806

what kind of technical test that i need to learn because i have an interview tomorrow.. please someone help me..

Sony,

1465

how to check avr of dg set of 125kva

2129

what is the difference between arc and spark

2 5484

you have a 2 tonne ac that operates for 2 hrs daily what will be you monthly bill (this is complete question asked nothing else was given)?

1 2653

how to measure winding resistance of single phase motor?

Adani, Dodsal,

1 2212


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Un-Answered Questions { Electrical Engineering }

3- What is the target from Zero Impedance, Single Phase Imp., S/C Imp. and magnetic balance tests?

1364


how to i get B licence,i am completed BE electircal and electronics engineering.i want to konw the proceduure to get b licence

1150


i have 500 amp inductive load of motors ,,,pleas tell me how can i calculate for capacitor bank for improving my power factor to 99 .....calcullations for capacitor bank,,,,

1129


what is the carona effects meaning in HT line transmmission system

1488


what are the safety measures of induction motor?

1553






how to calculate the power factor when instantaneous voltage and current has harmonics in it ?

1384


What is domestic transformer? Draw the connection of domestic transformer.

1819


what is kondo syatem in eletrical traction

1634


PIU how does work?

1960


How you calculating the 30 Hp 3 phase AC motor of power what size of cable is used for this motor?

1127


What is the tests required for a 132 kV, 400 kV , 765 kV for a Circuit Breaker and Power Transformer before commissioning ?

1144


Igfet is a

1172


why the protection turbo generators is most complex?

1484


Explain the experiment on ward leonard method of a speed control on a dc shunt motor with an suitable circuit diagram.

2079


any idea abt REVERSE METERING concept.........?

1710