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 ground and neutral ?

TCS,

2 6351

How to calculate the multiplying factor for energy meter with ct ratio given

2027

using in R,Y& B PHASE LTSIDE(415V)ct ratio 4000/5 WITH ENERGYMETR OF 1280 REV./KWH,240V.WHAT WILL BE MF OF METRE.

HCC,

1 3267

what is DG A,B,C,D check?

1 3999

a induction motar has 30-35% exciting current at no load but in transformer it is only 2-3% ofbrated current why any reason?

century,

1 3648

in short circuit. test of a transformer 5 to 10% ofvrated voltage is used why??? if we use rated voltafe then what will be?

1 3220

in an open circuit. test there is no load curent.. but secondary. ia open then no urrent have to flow but there a smaller current flows why?

Rubber Park,

4 6512

What is the use of starter in tube light fitting.how it works.

JSW,

3 7938

Why Exciter higher ferquency ?

Core Logic,

1 3632

what is the difference b/w UHVDC and HVDC(LIGHT)?

L&T,

4 6773

WHAT IS THE DIFFERENT BETWEEN MCB & MPCB? & HOW IS USE?

Gandour,

3 6433

How i can select current transformer and meters for the upgrading the panal..for 200kw to 600kw....i need to select monitoring and protection ct,s and apmpire meter ,kw meter too.

1 3523

electromechanical relay type identification example : type=tjmh t-stants for j- m- h-

2457

how generator avr give to the input?

1999

DIFFERENCE B/W NEUTRAL AND EARTH?

Genesis, IBC,

2 6450

Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

What the formula for calculating no.of earthings & size of earth strip for 100mX90m shop.

2365

in 6.6 kv vaccum circuit breaker vaccum bottole vaccum capacity ????

2010

What is the basis for selecting Vk/2 or Vk/4 for REF and Differential protection of Transformer and What is the significance of magnetising current

2392

Define relative stability.

1066

what is spadar bar .why I use in DC generator.

1927

why HT armoured cable does not glanding

4239

What is kirchoff ’s current law (kcl)?

1094

How convergengr of nr method is not dependent on selection of slack bus and how gauss siedel method depends?

1805

what's the requirement of Dy11d0 connection of 3 phase transformer?what's use of it?

7992

How can i calculate the Breaking capacity of molded case circuit breaker, is the breaking capacity of CB for Diesel generator shall be less than grid supply's breaker ?

2244

Details about Flux Compensated magnetic Amplifer starter for motors

2018

Explain the fundamental difference between emf (electro motive force) and pd (potential difference) ?

1144

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

2073

WHAT IS DOL STARTER? HOW IT WORK? GIVE ITS CONTROL AND POWER DIAGRAM .

2172

Pleae send me last 5 years of Question book about RRB chennai.

2292

For More Un-Answered { Electrical Engineering } Questions Click Here