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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

effect of decrease in excitation?

 2 4128

can we increase our frequency rate in INDIA?

 4 5745

difference between the earthing,grounding and neutral

DLF, L&T,

1 4078

how much current (in MW)can be carried max. through S/C dog & Panther Conductor ?

 1 4030

why the capacitor bank unit is kvar

Infosys, L&T,

3 11667

WHAT IS THE CONDITION FOR OPERATING DIFFERENTIAL RELAY IN POWER TRANSFORMER & WHERE IS NEUTRAL CT PLACED IN TRANSFORMER

 2 3621

what is the difference between bus-coupler and bus-riser

 2 42534

Two electrically operated Vibro Motors are fixed in parallel direction in vibrating feeder. What is the direction of both Vibro Motors?

 1 4046

A powerplant has 8 gensets operating in grid parallel mode. In one genset sometimes there is pf variation and kvar variation. The plant operates in pf mode. When this variation is onbserved the load is stable, voltage is also stable, freq and genset speed is also stable. How will you check the functioning of pf card. What shall be the ideal output vdc of the pfc, from there it is input to AVR?

 1 2498

What is the importance of quality factor in resonance?

 3 21144

What is the range of the stator resistance of 3 phase induction motor?

 1 5071

what is meaning of bus raiser???

 1 3624

what is residuel magnetism

 1 2864

what is residuel magnetism. and how order lead acid batteries for 24 volt. emergency lighting system.

 1560

What is the LUX

 2 4118

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Un-Answered Questions { Electrical Engineering }

What happens to voltage when current through the inductor is constant?

670

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

1498

EXPLAIN THE ESSENTIAL FACTORS WHICH INFLUENCES THE CHOICE OF SITE FOR A HYDRO ELECTRIC POWER PLANT

1546

What is the normal phase difference between the voltage and the no-load current in a transformer?

681

Why earthing is necessary for any equipment?

1163




Define steady state error.

639

i have applied for junior engineer 2 c&w for Guwahati RRB please send me last five year question paper

1584

what is the criterion for selecting vector group of Transformers ? i mean how to decide vector group of Generator transformer, substation trasformer and transformer at consumer end

1762

how we start 40w tube light with 4 diodes,2capacitors,1 choke and without starter.(a product avilable in market which lights burnt tube lights also)

1623

Why squirrel cage motor can only use with low starting loads ?

1549

what is the voltage regulation for unity and zero power factor?

1749

Can you explain about pole discrepancy scheme

1704

what is earth-fault?when it occurs? to check where it occurs what type of test should we do?

1543

what is JE exam?

1684

why using transformer and thyristor switch in 3 phase apfc panel

2369

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