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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

which is the slowest motor? and wt is speed ?

1 3921

How to Calculate Current Rating of SDFU (Switch Disconnector Fuse unit) for Protectionof Capacitor Bank connected to Busbar of 800Amp,in LV side of 11/0.433KV, 250KVA Transformer?

3904

why constant voltage transformer should be start without load? and if started then what will happen?

1139

what perpos use cepacitors in motars,fans,lights,and LT panal

1 3652

Difference between on line capacitor and Station type capacitor

1095

Difference between on line capacitor and Station type capacitor.

1 2544

Transformer not operated in dc ! why?

10 8859

Why in USA supply voltage parameters(230V,60Hz)are different,is there any advantage please brief.

APC, DRJ ARDE,

1 3988

what is the most probable reason of failure of current transformer?

L&T,

2 12266

what is transformor oil gread

Idea,

1344

ganaretors A check B check and C check details

1 2888

IN WHICH MODE THE TRANSFORMER WILL GET A MAXIMUM OUT PUT VOLTAGE. ASKED FOR POWER GRID EXAMINATION STAT-STAR,STAR-DELTA,DELTA-STAR,DELTA-DELTA

3 3760

1. Why transfomer reting in KVA and Motor in HP

AirIndia, Jindal, Mind Tree,

10 14223

why the admittance matrix or y bus matrix of a large network is called sparse matrix?

3 19662

what is the uses of C.V.T transformer in switch yard?

L&T,

4 8224


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Un-Answered Questions { Electrical Engineering }

what is the isolation transformer. what is the isolator?

1130


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

1099


What is the best thing to protect the motor from running over full current. CT or O/L or pressure transducer at the given pressure rating

555


What is the maximum percentage voltage drop (vd%)for a motor control center

1037


what is the practical application of full adder circuit?

1016






How to calculate Temp from Resister from PT100 equation,

660


what r substations?what r there work?why voltages r incresed and then reduced during distribution of power

1031


In 11/0.414 KV Parralel supply network with Bus tie closed what will be the fault level is it doubled or halved??

1138


What is your acheivements

1114


Which power will flow first if we switch on a motor Active or Reactive? How?

3296


why occ characteristics of generator is also called as magnatization characteristics ?

974


Factory acceptance test. FAT. For 132 kv transmisstion towers what is that meaning and what are the tests commonly companies perform now days.

679


Initially, when the input is not equal to the output — what type of response is this?

184


What is purpose of reactor?.What is different between line and bus reactor?

1043


what is differnce btwen lll and lllg faults

999