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

2761

Explain about 3 phase motor fault current calculation with examples?

QTC,

2946

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 9547

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

Cushman Wakefield,

4 15996

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

4 9172

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

1 2672

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

Bhel, Nilkamal,

3 6725

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

1 4042

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

3 10123

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

Sabic,

3 6267

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

2231

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

2135

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

1 4892

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

3 6828

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

2 12335

Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

What is the actual meaning of thermal power efficiency ?

2172

What is difference between slip rings and carbon burushes?

15103

Difference between field rheostat and armature rheostat.

1232

what is cascade speed control device?and how this device control the speed of motors?

2157

Differentiate between kirchhoff’s first law and kirchhoff’s second law?

1065

what is the function of anti pumping relays? what is KVAR? How it is generated in alternator? What is 3rd Harmonics? What is IDMT relay?

2300

What are your future plans for the company if permanently employed?

2169

What is the technical difference between On delay timer and a Star delta timer?

1613

what are inductive and capacitive voltage transformers.what are their applications

1948

Generation of voltage for each phase are same of a turbogenerator.Although the short circuit current flow when two phase of turbogenerator are shorted(where current can't flow without potential difference),why?

2120

All the socket in a room become very hot, the Wall was also became very hot and the earth conductor also became live, what in your view might be the possible causes?

1658

What is measurement?

1187

What is the Nyquist criterion regarding control systems?

1089

what is the difference between electrical and electronic choke?

1966

WHY IL=IPH IN STAR AND WHY IPH=IL/1.732 IN DELTA? WHAT IS REASON BEHIND IT?

6357

For More Un-Answered { Electrical Engineering } Questions Click Here