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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

is tree is a good conductor and it may be used for conductor?

3 8790

how to connect generators in parallel and what are the required equipment to do so?

MSEB,

2 8350

in 3 phase induction motor resistance value is how much

1 4849

why our power production in multiple of 11, in strictlly asking why our o/p voltage of alternators is 11kv only and whynot graterthan 15 and016KV?

4 6185

why capacitor using the induction motor?

Kirloskar,

6 9307

why capacitor using the induction motor?

5 7534

What is the working mechanism of OLTC in Power Transformers????

KSEB,

4326

why in america the supply frequency is applied as 60 HZ. but in india we use 50 HZ.

Elcom International, HCL, NTPC, OMC,

1 3209

if flow of electrons is current then why their direction are different???

1 2545

Triping principle of ELCB&RCCB? wht is the difference between these two?

2 5415

which type of effect of turbine and generator reverse power protection ?

NTPC,

4193

What is difference between Harmonic and Non harmonic Capacitor Bank?

TATA,

2920

how to calculate vfd o/p voltage by frequency

HCL, Orchid,

2164

how hydrogen or helium is a cooling agent for alternator./ generator of big size.

1 4918

what is the meaning of powerfactor

NTP,

6 9546

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Un-Answered Questions { Electrical Engineering }

what is allowed value of zero sequence impedancce of 6.6 kv nuetral earthing transformer ?what is the actual value

2179

what is transformor oil gread

2536

What is the difference between DOL starter and star delta starter

1126

which is better to use svc or synchronous condenser why ?

1822

WHAT IS VCB SAFETY

1252

What is meant by impedance? difference between high & low impedance ?

2060

What is a differential amplifier?

1250

how to Select its CORE in electrical cables based on its applications? or Application of various types of electrical cable based on it CORE?

3258

what happens when dc generator coupled with cycle shaft.also explain what happens when its loaded

2127

Why colled 440V to 3-phase supply.

2147

Explain the different regions in frequency response?

1081

howmany electrician should maintain for a 1000 kva used plant... in kerala..

2106

How we calculate the Multiplying Factor of Kwh meter for 3 phase alternator.

1887

what is relation between ct and pt ratio with multiplication factor of a energy meter? is there any other factor on which multification factor depend?

2341

A powerplant has 8 gensets operating in grid parallel mode. In one genset sometimes there is pf variation and kvar variation. The plant operates in pf mode. When this variation is observed the load is stable, voltage is also stable, freq and genset speed is also stable. How will you check the functioning of pf card. What shall be the ideal output vdc of the pfc, from there it is input to AVR?

2317

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