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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

how we can produce negative DC voltage ? please explain it .,thank u

1 2504

what is the standard values(Megger test) of resistances between L&N,L&E and N&E for a system on IEE regulations?

2201

WHAT IS DIFFERENCE BETWEEN MANUAL CONTROL AND MAGNETIC CONTROL AND STATE ITS ADVANTAGE /DISADVANTAGE

Siemens,

2028

what are the standard values for resistances(Megger testing) between L&N, L&E and N&E (L=Live,N=Neutral, E=Earth)?

CESU,

1 3121

why current flow throgh conductor.

2 4889

what are the standard values for resistances(Megger testing) between L&N, L&E and N&E (L=Live,N=Neutral, E=Earth)?

1 9694

what is spill current?

Adani, NPCIL,

4 40933

how flow current in 220 kv line to line

NLC,

1921

Is there any problem if i connect APFC panel in generator circuit

2 6293

how to select a breaker (MCB,MCCB,ELCB) for 18.5 kw, 3 ph. 480 v, 60 hz induction motor?

4 35850

how to synchronize 4 nos. of diesel generator sets of different capacity (kva)?

Bhel,

7 25350

what will happen if we use cylindrical conductor instead of flat cu conductor in transformer

Crompton Greaves,

2 6209

can anyone show me how the 3 phase power is supplied to socket outlets?

Bhel,

1963

what is tertiary winding in transformer?What is its purpose?

Bhel,

18 105359

Why we are going for converter transformers for DC drives application instead of distribution transformer?

1936

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Un-Answered Questions { Electrical Engineering }

what is the preventive maintence for ht panels and busbars and vcb abd acb's.

2304

what is the difference between earthing and unearth

2960

how much GROUND & NEUTRAL VOLT maintain in data center.

1988

reason of diode failure in alternator

1782

why we use single core 630mm2 cable for transformer secondary side

873

what is the use of vcb & isolator in substation?

2318

when 20hp 3 phase motor start no load condition in star or delta connection.find current and write formula.(tariq)

2011

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...

1974

If short circuit ratio is high is it bad or good for a machine then tell the reason...

1984

What is the meaning of utility ground and clean ground? How the distribution panel is grounded?

2486

what type of earthing do for dry fissure rock?

2395

what is the difference between 50 hz freq. and 60 hz freq.? which is better and economic in them ?

2238

PLEASE TELL ME ABOUT QUESTION PAPER OF UPCL ENTERENCE EXAM.

7835

why the arc welding machines require parallel earthing systems? ie why each machines are connected to earth pit by separate wires during earthing? wats it adavantages?

2131

what is the value of combined earthing in general electrical circiut?

1848

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