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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

what is the difference between earth, neutral and ground?

Farnek, Shyam Indus Power, Spiro Solutions,

1 3246

During the main stator winding insulation testing (phase to ground)of 11kv alternator (Lerysomer) i found 0 and resistance with multimeter and found 20 killo ohm while the power cables are connected both end (Generator & VCB). In VCB PT (Potential transformer) are connected. Please any body explain that method of insulation is correct or not? also describe of PT connections

Private,

1 2837

3.7 kw motor ,how much sq mm cabel want to bare this motor load

1 2896

What is PLL? what are it's advantages?

BREB,

1 2603

what will be the breaking capacity of MCCB of 1000kVA (6% Impedence) transformer? Voltage being 415V, Power Factor 0.8.

BPC,

2 2913

Thumb rule of cable size(rm>30 rm)X multiplying factor=ampere

Kazi Farms, SKI Carbon Black,

1568

what are balanced and unbalanced loads

GGH,

1 2631

1. What are the types of Transformer?

Valdel,

1 2419

On what basis do you decide the ONAN (Oil Natural air natural) or Dry type transformer for a project?

Semac,

1553

Which are the types of breakers used in High Tension (HT) side?

1 3000

How to calculate the no of Ceiling fan (1200mm sweep) per unit area?

1999

No load tap changing transformer working

1596

can the measured percentage error during calibration of single phase energy meter be negative?

2363

I want to merge a cable..in between two metering Cubicals which contains CT's and PT's and Energy meter..before taking merger..what are the common things required?

1623

how a generating station can monitor its multi users power factor. What type of incentive /penalty is associated with power factor management.

Sojex,

1 2172

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Un-Answered Questions { Electrical Engineering }

What is inrush current? how can calculateit? what is the affect of it?

1958

Where should the lighting arrestor be placed in distribution lines?

1091

our industries ht line so power fluctation(once drop of power please rectify causes

2188

Dear All we are having a problem in G120 BOP showing alarm A0503, F0052, F0060 we can not remove fault alarm ,Please any body help us. kowsar

1747

i want design of D.C.MOTOR 1HP 960RPM AND 2HP 960RPM ITS URRGENT

1904

what material is used in capaciter

1930

What is difference between Harmonic and Non harmonic Capacitor Bank?

2855

Explain in details how you would react to an unexpected incident when your supervisor or manager is not around to give instructions?

8022

what is the voltage regulation for unity and zero power factor?

2266

how to deside the capacity of chock for drive?

2013

As we know diode work on both negative and positive but converting ac into DC we have to given a/c from negative of diode or positive side.please give me answer.

1628

difference between main metering kiosk and check metering kiosk

2938

How can we choose the rating of submersible motors

2593

Single line digram for 11 kV to distribution use go,la and do

1769

As an electrical engineer what are the responsibilities which i can hold in TCS?

2168

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