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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

WHAT IS MEANT BY TV TERMINAL IN 500MVA TRANSFORMER?

KPRS, L&T,

1293

WHAT IS LINE TRAP,HOW IS IT FUNCTION?

L&T,

1 4593

HOW TO IDENTIFY THE RELAYS WHICH APPLICATION IN WHICH RELAY USING?

L&T,

1 3647

WHAT ARE THE DATAS REQUIRED FOR SCS SIGNAL LIST PREPARATION?

L&T,

1 2316

HOW TO CALCULATE THE ILLUMINATION IN INDOOR LIGHTING?

L&T,

2353

WHAT IS LIGHTNING,HOW TO CALCULATE LIGHTNING DESIGN CALCULATION?

L&T,

2 4057

WHAT IS DEAD END IN PROTECTION?

Ispat, L&T,

1616

WHAT IS SYNCHRONISING?

L&T,

8 14199

WHY WE NEED AUTO TRANSFORMER,WHERE WE CAN USE?

L&T,

5 13316

What is auto transformer?

L&T,

7 7269

WHAT IS MEANT BY SHEATH VOLTAGE IN 132Kv cable?

L&T,

1412

HOW TO CALCULATE THE VT SIZING?

L&T,

1805

WHAT IS THE DIFFERNCE BETWEEN AIS AND GIS IN SWITCH GEAR?

L&T,

5 20391

HOW TO CALCULATE EARTHING SIZING?

L&T,

1153

HOW TO CALCULATE HV CABLE SIZING?

KNPC, L&T,

2130


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Un-Answered Questions { Electrical Engineering }

IN electrical field, WHAT ALL THINGS THE CUSTOMER WILL ASK WHILE ORDERING FOR LT PANEL (ALL TYPES OF LOW TENSION PANEL)

1237


How could I get a certificate of competency as Electrical Supervisor? I have completed By BTech in Electrical this year(2012) for VJTI Mumbai Maharashtra. Is it compulsory to be produced while joining?

2650


A 100W electric lamp is supplied from a 115V, 60HZ source. The peak instantaneous power dissipated in the lamp filament is

1295


How does an induction motor start?

329


This is urgent!! What is a Thyristor-based 3-ways selector switch with Zero crossing control? how does it operate and where is it mostly found in a system?

1205






The slip during plugging operation is given by= A 1-s B 2+s C 1+s D 2-s

1979


Differnce between negative Pahse SequenceFunction and unbalance Function?

919


What is the need of generator relay panel

1134


In case of generator when we consume more power produces by it why load on generator increase and starts sound more. and how it is adjusted..

1003


What is use of starter and choke in tube light

934


we have earthmat at 110KV substation.we would like to take earth resistance.b some says that by connecting earth megger terminals (C1,P1) at middile point of earthmat (at riser) will cause voltage gradient at other earthmat nods and dont get exat earth resistance.when connecting at end nods will get exat value . is it correct .please explain

1262


What would cause a 240v choke that should give 110v out on a 16w lamp to gradually increase to 160v?

1418


# 4 hi friends i m from electrical branch and seeking for tech. + apti. both papers of hpcl plz get it available as soon as possible my email id is sumit_lig189@yahoo.co.in

1230


detailed procedure how we calculate cost for pcc m10 and rcc m20 including centering and labour excluding steel/ iron

2118


What happen if we apply square wave or traiangular waveform voltage to the transformer primary winding instead of sinusoidal wave?

1154