Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is power system.........?

1 1943

why the starting current of a motor is high?

ITC Infotech,

3 5442

how many types of ACB breakers, describe briefly..?

1814

If a ACB breaker is tripping and closing problem, then what will we check internal..?

3 5788

WHY MOSTLY Rph IS USED FOR CONTROL CIRCUITS AUX. SUPPLY ?

UltraTech,

2097

In DC current-excitation to transformer, why it sucks more current? Eventhough there is no power transfer between primary and secondary? R is very low so it should suck less current only na thn y its current increases?

Cairn,

2 4355

why a fan starts rotating in the reverse direction when condenser gets damaged?

1 3835

what are earthing material

1 2731

how to carried out tan delta test in 11 KV alternator ?

2562

how to carried out DAR test in 11 KV Alternator ?

1885

how to can we synchronize different capacity of DG sets.60kva& 250kva?

Power Plant,

2 4064

what is the minimum insulation resistance for HT AND LT motor ?

3 7236

why leading pf indicates a negative sign???

1 3832

inductance and capacitance may result in periodic reversals of the direction of energy flow,how???

1 2624

For two systems transmitting the same amount of real power, the system with the lower power factor will have higher circulating currents due to energy that returns to the source from energy storage in the load.???

Bhel,

1471


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Un-Answered Questions { Electrical Engineering }

what is the difference between "Rotary bypass isolation switch and Normal bypass switch" pls share indepth techs?

1649


write a c++ code that receives an integer number and display the sum of the number and its revers integer?

1613


why moisture formation found in XLPE Armoured cable outer sheath

1369


How does a digital electronic meter work??????

1646


What is the formula formula for Busbar sizing and what are the things to be consider for Busbar Calculation?

2033






what is the mechanism of operation of brushless dc motor why is it more wexpensive then ordinary permanent magnet motors

1550


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

1829


What is the function of interposing current transformer?

638


why does a dc machine has high efficiency while working as a generator than as a motor ..

1525


how to define tell me about self

1555


why h parameter are called as hybrid parameter?

1567


what happens when dc generator coupled with cycle shaft.also explain what happens when its loaded

1692


How to calculate the fuel consumption for 600kva DG genset which connecting with 25%load?

1744


Give some example of fault limiting devices?

838


how to enter inverter parameter? without manaual?

1586