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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

How will you calaculate the Ct ratio based on connected load 500KVA,and 11KV supply ?

3 9496

what is the diff. b/w balanced and unbalanced load..?

12 45106

what is synchronous speed.? if an induction motor is made to run at full load, then is this synch. speed too..?

2 5594

why power is generatd at 50 hz only..? can we do this on another freq...?

7 5692

What will happen if we give DC supply to AC motor?

9 28970

What will happen if we give AC supply to DC motor?

4 11594

What is the formula for calculating the Instantaneous Short Circuit & overcurrent for any breaker

1050

In case of power/distribution transformer what is percent impedence?

1 2477

If we increase frequency in transmission line in lieu of voltage what will happen?

1 3646

How can be decreased the size of transformer?

6 4253

which type of material is used to transformer laminated core?

6 9822

What is fault level?How it is calculated and how it is Expressed?

2 3128

IF % IMPEDANCE OF A TRANSFORMER IS INCREASED FROM 5.8% TO 8% HOW MUCH THE EFFICIENCY OF THE TRANSFORMER WILL COME DOWN?

ABB,

1510

What are the special protection given for high capacity Motor, more then 10mw

2 2518

What happens if a +vely charged particle is placed in the centre of a room and assume that the north side wall is having magnetised with north polarity and south side wall is magnetised with south polarity. In which direction the particle will move

BSNL,

5 4212


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Un-Answered Questions { Electrical Engineering }

when ac current flows thru d coil of a contactr,it energizes,magnetic field attracts d contact of the coil...nw wont dt ac current in d contct induce current back on to d coil thru mutual inductance leading to high currnt in d coil

813


How to calculate energy stored in a capacitance

160


I need the list of Universities who have summer intake for BS degree in Electrical Engineering.?

1090


What will happen if the d.c. Machine is operated below rated speed?

171


Cables Construction hi friends, 0.6/1/1.2 kV LV , DC and Control cables are concentric copper conductor what does its means and what is the use of concentric copper conductor,and are this with copper tape shield or copper screening, ? thanks

810






Can you any one explain application of buccholz relay operation and pressure relif device operation of power transformer

966


what is destructive and non-destructive testing of welding

700


How DC earth leakage currents can be reduced ?

1002


what is reactive power?, why its measured in VA ? is it transient behavior of system?

1364


how to select proper cable for ct wiring so that drop within the limit.

1000


How to measure the earth resistance value in a concrete pavement(flood light area)?

1176


After completing iti in electrician, how can i get certificate of electrical supervisor? What ia requirements. For it?

746


What is meant by full pitched winding?

141


Name two types of electrical analogous for mechanical system.

174


Benifits of 3ph 4 wire metering over 3ph 3 wire

1517