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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Why converter duty transformer neutrals are not earthed...i am still not sure if this question is also correct...Please email at ranjan120482@gmail.com

2339

how to calculate the bus bar current rating

2 24580

How to decide CT & PT ratings for a given transmission line carrying some rated voltage?

2332

How to decide the rating of CBCT? We have 6.6Kv switchgear & having 50/1 cbct ,i want to know how this 50/1 A came? On what basis we decide CBCT reting?

Cross,

1 8767

What is difference between Step Up Transformer & Booster Transformer? can we used instead of any one?

CS,

2 17563

Difference Between Differential Relay and Restricted Earth Fault Relay of Power Transformers

KSEB,

1 11460

can anybody send me syllabus of rrb section engg (electrical). and also send previous question pepar...

GKB,

1985

hi can any body send me syllabus of rrb electrical section engg... and past pepar also of any board...

2684

how we can differentiate a motor and a generator just by a glance?

5 9841

If there is no problem with the electronic circuit and regulator then why the motor start rotating at low value of regulator with full speed both at laod and no load??? and if my judgement of circuit is wrong then what is your openion?

1 2769

If a motor of 8.5 KW with same load and using in both Star & Delta one by one,then which will take more current in star connected or in delta connected

4 9285

what is the difference between self excited & seperately excited ?

3 14114

what is the unit of current

RRB,

12 14632

why the armature coil in dc machine is round?? swagat k.

1 3462

what is OLTC and difference between RTCC and OLTC

Sodexo,

7 34709


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

HOW TO CALCULATE HV CABLE SIZING?

3215


State kirchoff current law?

1086


In which of the following case, the rotating magnetic field is reversed? A regenerative breaking B plugging C dynamic breaking D forward motoring

1970


what are the applications of transistors with low dc gain, high dc gain and medium dc gain( beta)?

1774


Is it true that in the 3 phase transformer, the limbs of the core are at 45 dgrees to each other. if true, why?

2061


sir, i am 3 years diploma course pass out candidate.what type of certificate can i got in marine service.

1922


What is the formula for calculating impedance of transformers connected parallel at fault level 50KA?

2088


How to decide cable tray size?

1140


ACCORDING TO IEC WHAT SHOULD BE THE MINIMUM HEIGHT OF G.I. STRUCTURE OF CT, PT, ISOLATOR, LA?

2204


How earthing of switchgear system to be done.

1932


What are the three types of compensators?

1101


What is the function of retrip in busbar?

1505


why does make gain margin and phase margin on same plot.?

2118


HOW TO SELECT THE COPPER CABLE SIZES OF MOTORS,TRANSFORMERS?

2118


what's the difference between 'shaft power demand' and 'BHP' , when we consider electrical load list.

1518