Electrical Engineering Interview Questions

How do we find the rating of a transformer, if it got burnt badly.

996

what is the reason of capacitor failure in alternator which is working with 10 kva dgset

920

reason of capacitor failure or low voltage in alternator wtih 10kva dgset

1083

reason of diode failure in alternator

1325

aternator every parts and its working

1094

what is the difference between directional & non directional earth fault with example please explain.

1258

How to calculate pitch, gauge of winding wire, and No. of turns for 30HP, 3 phase, 4 poles 50Hz, 380V induction motors

1387

The undesirable property of an electrical insulating material is

5367

How to size fuse? How to size MCB?

969

1,Building containing 25 flats how much Amp 3 pole MCCB are required? 2, For the safey of each flat how many Amp RCCB can install -loaded with A/C

L&T,

2073

I Want randstand placement papers

1271

What is difference between YNyn0 and YNyn ??

1711

what is dry and wet frequency withstand voltage? why & where it is used??

1666

If the Brush of DC motor is shifted by 90 deg, then what happens to voltage and torque? Both voltage and torque are zero. how to justify the answer?

866

What happen when change order of CT in GIS feeder?

1052

Un-Answered Questions { Electrical Engineering }

What is non-minimum phase transfer function?

567

What is meant by Low Resistance Cable and High Resistance Cable.

1362

Hello sir i m student of gtu .what is idp.

1679

Dear friends, i would like to know that what is the exact function of 'exciter winding' & 'aux winding' in Alternator?

1379

What will be electrical cost per sqft for IT building (basebuild and fitout)and for residential township?

1379

why 15 kw motor winding resistance is low then 5 kw motor winding resistance?

2245

562

how to revers the direction of single phase motor

358

how to calculte capacitor range for single phase induction motors??pls tel

1520

what is the safty of poly phase tranformer?

1584

In synchronous motor, how the field current is related to armature current..i know its inversely proportional..but concept wise...i was nt clear....pls help me...

1491

why the neutral point in connnection oscillates?

1724

1. Why is the speed of shunt motor practically constant? 2. Why dc series motor use to start with heavy loads? 3. advantages & disadvantages of separately excited generator over self excited generator?

1958

How much should be the load percentage for 15kva Inverter and Iinut & I output load with Calculations

1486

how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating

1825