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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

132 KV TRFO BUSHING CT BURNT WHEN A 6.6KV HAS BEEN APPLIED TO IT .WHY .ANY REASON ?

vguard,

3 7702

why is only third harmonics is dangerous for electrical equipments?

3 12227

what is the contact resistance of sf6 circuit breaker??

2 8035

what is the contact resistance of vacume circuit breaker??

1 4163

what is the contact resistance of Air circuit breaker??

1 4845

How check proper electrical earthing of machine.

DRJ ARDE,

5 17310

How check electrical motor winding.

DRJ ARDE,

4 10484

BRIEF ME CHECKING PRCEDURE OF BATTERY 12V 26AH

DRJ ARDE,

1 4390

are induction motor have poles? yes / no , why?

3 5718

how open delta PT works & what is its construction?

2310

is there any device that works properly accept relay, it may be fuse but if i want fuse of 33kv 300 amp it is avaliable, pls give me details

2060

what is the use of Reactive power in power system?

3 9990

What is the comparision (advantages / disadvantages) of 110V, 60 Hz system to 230 V, 50 Hz system.

2 8886

A dc motor running on dc drive whose input is 3ph AC what will happen if we change the phase sequence of dc drive for e.g (R Y B) is connect as R B Y, will the motor run as same as previously running before changing phase without any effect

4 8985

Why corona leads to production of Ozone and glow of the color VOILET?

2043

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Un-Answered Questions { Electrical Engineering }

What are n circles?

1145

Can XLPE/SWB/PVC (P3) 7C X 2.5mm2 be replaced by Can XLPE/SWB/PVC (P2) 7C X 2.5mm2??? P3 vs P2

1916

i have applied for junior engineer 2 c&w for Guwahati RRB please send me last five year question paper

2249

What are the insulation standerds for eg H clase and how many insulation standerds are there and its standerds??????

2011

What is the formula to calculate the no load current of a single & three phase induction motor

2337

with help of neat sketch explain principle of TIG welding process

2031

Please send 110 kv sb station full single line drawing(sld)

2526

How many Zones can be in Conventional type fire alarm system & how can we detect the fire in Conv. type FAS?

1876

how to determine the inrush current of a transformer

2671

for 100 HP Induction motor service factor is 1.2(SF) we placed a VFD at the motor side load is balance with 0.3 Amp's Phase to Phase but at incoming of VFD load is un-balance with 10 to 20 Amp's what will be cause of load un balance

2012

sourse is 66 KV / 350 MVA, transfarmer is 1000 KVA 6.6 / 0.415 kv, iF fault is 28.75 MVA on 0.415 KV Bus then calculat the Transfarmer Impidance

2152

how the aircraft outer body and inner body is separated ?

1120

WHY THE RATINGS OF THE TRANSFORMER IS 33KV WHY NOT OTHER???

2445

What is the basic principle of welding process?

2203

are there rmu for 3 transformer?

1950

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