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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

If rotor works in clock wise what happens

1910

i need mat lab program to find out the transmission line losses,regulation and losses

AITM,

1899

50 electric bulbs are connected across supply of 220 volts. After one bulb is fused remaining 49 bulbs are again connected to same supply. which case will have more illumination & WHY????????

KJ,

5 8517

We have Diesel generator of 200KW but load connected to it only 100KW. Pl. brief me about fuel consumption.

ARDE,

4 7362

what happens when ac supply is given to the dc motor and dc supply is given to the ac motor?

GATE,

1 4362

what happens when dc supply is given to the transformer?

3 5798

What is the name of process In VFD frequency are increase then voltage increase & frequency decrease then voltage decrease?

1955

why the transformer was not rotating like a motor?

TATA,

5 7898

How much heat will a 2500 KVA transformer will generate ?

5 9328

A copper wire of length l and diameter d has potential difference V applied at its two ends. The drift velocity is vd. If the diameter of wire is made d/3, then drift velocity becomes

1 6708

what is mean by restructuring power system?

2059

We have Diesel generator of 200KW. fuel consumption is always same,even connected light load or full load. Is it right?

ARDE,

2163

what is the difference between home inverter and online ups?

ME,

2 4790

what is the formula for backup time of online ups?

1 3741

Why mostly GT(Generating Transformer)has only Ynd1 Vector Group?

Essar,

1 4972

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Un-Answered Questions { Electrical Engineering }

how to carry out Magnetizing Current Test on Distribution transformer and what purpose we are doing this test. why transformer rating in always in KVA ? what ispositive, negative, zero sequence impedence? How ElCB tripping if Neutral touch with ground Why AC & DC capacitor are use in UPS ? why motor rating in KW? how to syncronize two dg sets

2186

Why do we need a separate control desk & PLC control panel in Boiler plant or coal handling plant? Can we provide cost effective Control desk cum PLC panel. Is there is an specific need for control desk.. kindly advice.

2362

If ROC does not lies inside unit circle,then ? a) Fourier transform converges b) Z transform converges c) Hatly transform converges d) Colpit Transform converges.

2282

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

1961

Please send 110 kv sb station full single line drawing(sld)

2464

3 phase induction motor connection star or delta while using ac drive motor is .75 to 5.5 kw

1961

What is meant by coupling capacitor?

1062

State thevenin’s theorem?

1096

how is calculated the quantity of weight in hot test xlpe?

2514

Transmission voltage is kept 11KV,33KV,66KV,132KV,220KV due to form factor. What happen to 400KV and 765KV transmission voltage?

2166

Hi I'm doing my MBA(3rd semester).I applied for the post of ET conducted by BHEL the last year.I cleared the written and lost in personal interview.Again I wrote the exam this time and cleared the written n yet to take the personal interview.Shall I disclose in the interview about my studies.What shall i say if they ask about my change from studies to job

2158

What is resolution of a measurement?

1204

What is the maximum No. of out going mccbs permitted from an LV distribution paqnel? What is the ampere relation between incomer and out going switch gears/mccbs?

2076

What is meant by reactance voltage?

1137

what is the use of power transformer in GSS.

2490

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