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 rating of HT SUBSTATION and LT SUBSTATION?

NTPC, Sail,

11 56648

Assume a condition such that two motors of rating 6.6kv,415v are connected to blower,so tell me which motor draw large current give appropriate reason?

NTPC, Student,

2 7808

What are eddy current and define rms value?

NTPC,

4 11200

Transformer's core is made up of which material and why so?

ABB, NTPC,

10 31831

Draw the line diagram of diffretial relay connected to transformer?

NTPC,

2390

Name different types of fault and which instrument is used to measures earth,short,open cicuit fault?

NTPC, Vijai Electricals,

6 13348

AC current is flowing in a wire in your home how can you measure it(name of the instrument)

NTPC, TCS,

24 27820

How does and Earth Fault Relay operates in DG set control panel?

Cummins, University,

1 6805

1> what r different types of fault in cables? How will u locate and test these faults? 2> why earth wire is provided on top throughout the transmission line. why not only on towers? How much area it can protect? 3> what r different types of transmission losses? How power loss can be minimized? 4> what is the % of power loss on transmission lines?

IOCL,

3 10635

what type of relays used in transformers?

APTransco, BSNL,

24 65345

What will be the capcity of 3 phase DG set require for 25 KVA single phase lighting load?

Supernova,

7 17375

MCB is used for high rating &MCB is used for lower rating.What is technical difference between ACB & MCB?

7 12517

what is MUSS?

HP,

1 13103

what is phase and neutral.

HP, Voltech,

16 65043

what factors to needed while selecting a MCB and MCCB

3 10330

Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

What are the effects of adding a zero to a system?

1222

how we can find of current direction(supply comming/out going direction) when a transmission line passing through sides.

2352

When can we take Neutral as common neutral link?

1612

how to find impedance , mutual indatnce in transmission lines

2237

for 100 HP Induction motor service factor is 1.2(SF) we placed a VFD at the motor side load is balance with 0.3 Amp's Phase to Phase but at incoming of VFD load is un-balance with 10 to 20 Amp's what will be cause of load un balance

1908

What is the count of hvdc transmission lines in india?

1056

Define stepper motor. What is the use of stepper motor?

1159

What will happen to the protection and metering, if the polarity of a single or two PT/PTs in three phase system is reversed? Please provide reference if any.

2144

What is the function of the generator exciter?

1362

Is RTCC panel needs any control supply.

1999

what are the values of VRY,VYB,VBR,Vry,Vyb,Vbr,Vrn,Vyn,Vbn for Magenetic balance test of 100 KVA and 63 KVA Distribution transformer

2936

sir i have cleared the apti test of EIL held on 15th march and my interview will be in new delhi on 2nd june.i will be very much helpful if u help me regarding the type of interview questions comes at EIL.(URGENT.........PLZZZZZZZZZZ...............)

2003

Why do we avoid electrical conduits in floors at apartments?

2031

how we decide the require size is this for a known current at fuu load?

1922

what will happen if earth of 33 kv cable (earthed system) is not connected to earthing pit?

1994

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