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 2608

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

2264

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

Siemens,

2088

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 3192

why current flow throgh conductor.

2 5003

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

1 9789

what is spill current?

Adani, NPCIL,

4 41228

how flow current in 220 kv line to line

NLC,

1984

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

2 6410

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

4 36083

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

Bhel,

7 25651

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

Crompton Greaves,

2 6338

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

Bhel,

2020

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

Bhel,

18 106002

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

2003

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Un-Answered Questions { Electrical Engineering }

What consists of 2 or more thermocouples to be connented series?

2313

how withstand of hi-pot test outputs of transformer wire 2.5mm

1970

how did the testing of protection relays done through current injection

2086

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

2196

Who are the manufactures those manufacturing 3Cx2.5sqmm FRLS cables. I heard about FRLS technology adopted only in wires useful for wirings

2083

What will be the impact on motor performance if a LT motor is rewound with changed motor winding data as given below:- Original winding data: total 04 wires = 02 wires of 17 SWG + 02 wires of 16.5 SWG. Changed Winding data: total 03 wires of 15.5 SWG wire size Motor rating: 160KW, 740RPM, 415V, ID FAN application. Normal Running Current = 95% of FL Current.

2040

why we are using Load factor?

1952

sir my exam is on 19/6/2013 under electrical branch pls send me sample aptitude questions as well as sample technical questions for jindal steel and power company

2274

What is the requirement of grounding the neutral of single phase generators on load? If the neutral is not grounded, what will be the effect?

2105

i need to now what will be the cable size to the following load, transformer to distribution panel distance 110m, load 1000kw, voltage 400v, pf 0.85, permissible voltage drop 2.0%, overhead line, atmospheric temperature 35 degree c.

1622

When are the directional relays used?

1060

In PFI plant one stage capacitor connection is directly connected(with out megnetic contact controll). but why?

2292

can we find the inductance of a induction motor?

1986

What are the advantages & disadvantages of a group electrive drive?

2145

How to calculate the Efficiency of Chiller

3351

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