Electrical Engineering Interview Questions

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hi I have done 3 yrs diploma in electrical engg after 10+2. I have 16 years of work experience into design proposals sales and engg application development in LV/MV swithcgear and sub station automation field. I want to apply for immigration to new zealand but I am not sure whether I qualify or not since I dont have a degree. Can anyone advice? Thanks Riz

1889Why LVDT have secondary windings connected in differential 1. Higher out put 2. Based on the out put voltage-/+, helps to identify the direction of displacement 3. To establish a null/ reference point

what will happen if we double the input frequency of a transformer keeping the voltage constant?

TO CALCULATE THE RESISTANCE OF GRR OF HT MOTOR 400KW WHEREAS STATOR VOLTAGE 6.6KV AND ROTOR VOLTAGE 705V AND ROTOR CURRENT IS 346A.

5007i am using star-delta connections with reverse/forward direction motion of the 75hp induction motor.What should be the ratings of Main,Delta and Star contactors and why?

the resstance of a thermistor is 5000 ohm at 25degreeC and coefficient is .04/degCel. A measurement with lead resitance of 10 ohm will cause an error of

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Un-Answered Questions { Electrical Engineering }

How can we measure earthing resistance test (Earth meggar) of Transformer neutral pit while in live condition?.

how to calculate singlephase motor efficiency?

1.main parts of generator? what is used A-check,B-check,C- check? 2.what is FM200 system in data centers? 3.difference between pac,ahu?

What is the main purpose of c.f.b.c.boiler

Which motor is 3.3 or 11kV more reliable, in terms of efficeancy,maintenance, reliability.

Please brief me about number of pole in alternator.In single phase alternator coils are connected in star or series. How to calculate frequency for the same.

Define steady state error.

Why magnetic flux produces an induced current?? what is the detailed procedure ?? ans plz

how to determine the inrush current of a transformer

explain all the classes with example

PLEASE ANYBODY HAVE ELECTRICAL CIRCUIT DIAGRAM FOR CHMER PULSE CD 60M SPARKING MACHINE.PLEASE MAIL ME SUPRIYAAYYAPPAN@YAHOO.CO.IN.

armature winding of dc machine produce alternating emf then it convert in to dc by using commutator.But only we consider armature resistance why don't we consider inductive reactane effect?

A 11KV, 1200 A breaker combination fixed in a cubicle for HT motor.Is normally for 11 KV motor fuse is using? if Yes, What range fuse is required?

orifice sizing how done, checking & selection

If ROC does not lies inside unit circle,then ? a) Fourier transform converges b) Z transform converges c) Hatly transform converges d) Colpit Transform converges.