Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

Dear Mr B C pal...Can you plz. put some light on principle of operation of Z-Ct in conjunction to its use with 1Cx1000Sqmm HT Cables & Directional Ground Fault / Over Voltage Relays...Regd..Parag v K 9899115632

2763

Explain about 3 phase motor fault current calculation with examples?

QTC,

2953

Initially motor starts with star connection ,after few timing changes to delta connection, why the motor should run continously in star connection,it gives high torque & low current?

3 9558

what is effect of reverse c.t connection on metering.

Cushman Wakefield,

4 16018

What are the advantages of D.O.L Starter in 3 phase induction motor?

4 9188

while running ,synchronous generator is being turned off.what will happen to the current flow??

1 2681

What happen if field ckt is open when a sailent pole alternator connected to infinite bus

Bhel, Nilkamal,

3 6735

without name plate detail of blower how we can find out the HP & Rpm ? the input voltage is 230v single phase

1 4048

What should be distance required in between two phase of HT cionductors in open area??????

3 10133

For a DY11 lighting Transformer on primary side whee to connect fourth lead? from nuetral or from ground?

Sabic,

3 6281

what heppend if we are connected u1-v1-w1 as a star point in the place of u2-v2-w2 in power genration

2235

Dear sir, By which formula u can calculate for a particular kv line there is a range of mw.

2140

R u say ,that is there is any flux in your room.

1 4899

In which connection the voltage will be more , in star or delta connected motor?

3 6840

why we do occ & scc test in transformer ?how we can do it ?

2 12349

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Un-Answered Questions { Electrical Engineering }

1hp= how much rpm

2078

How to perform a DC resistance test In Alternator and their proceduces?

1766

what is the difference between changer, converter and transformer?

1548

I WANT TO INSTALL LIGHTING ARRESTOR ABOVE 20 FEET HEIGHT INDUSTRIAL BUILDING. NOW IT WAS 15 FEET HEIGHT HOW MUCH DISTANCE IT WILL COVER & HOW TO CALCULAT THE DISTANCE COVER BY THE ARRESTOR

2010

Give atleast 20 alternating current apparatus and devices.

1779

What is CCM in Electrical ? where can we use this material?

1464

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

2012

what is lrs tank water resistance.

2549

Graphs of measuring power and speed on dc motor

1967

why booster transformer is used in sumpners test conducted on transformer????

3584

What magnetic circuit is formed in berry-type constructions and why?

1078

how dia of wire and angles are calculated for overhead shielding wire to protect substation equipment from lightening strokes???

2031

what is the IPC ? & what the uses ?

1501

DESCRIBE THE CONSTRUCTION ANDOPERATION OF BELT CONVEYORS AND SCR CONVEYORS , DRAW NEAT SKETCHES

2079

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

2303

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