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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Is there any guideline say about display of earthing value near to earth pit

367

Why air circuit breaker off due to power failure?

331

Why wind turbines wheels rotate constantly

329

132/6.6πš”πšŸ πšπš›πšŠπš—πšœπšπš˜πš›πš–πšŽπš› πš—πšŽπšžπšπš›πšŠπš• πš‘πšŠπšœ πš˜πš—πšŽ πšŽπšŠπš›πšπš‘ πš™πš’πš πšπšŽπšπš’πšŒπšŠπšπšŽπš. 𝙸'𝚟𝚎 πšŠπš—πš˜πšπš‘πšŽπš› πšπš›πšŠπš—πšœπšπš˜πš›πš–πšŽπš› 𝚘𝚏 6.6πš”πšŸ/415𝚟 πšŒπšŠπš— 𝙸 πšŒπš˜πš—πš—πšŽπšŒπš πš—πšŽπšžπšπš›πšŠπš• 𝚝𝚘 πšœπšŠπš–πšŽ πšŽπšŠπš›πšπš‘ πš™πš’πš 𝚊𝚜 𝚘𝚏 13/6.πš”πšŸ πšπš›πšŠπš—πšœπšπš˜πš›πš–πšŽπš›?? π™Έπš π™½πš˜.. πšƒπš‘πšŽπš— πš πš‘πš’??

247

how to calculate diesel consumption of diesel generator by considering load and capacity of generator?

1 361

What is the difference between vector surge relay (78) and Pole slip relay (98G)

266

control wiring purpose,standards, ferrule code standard, interlock, schematic, symbol

1 366

What is the different between conventional MCC and intelligent MCC? Common controller or controller for each bucket

252

How much depth we will take in 33kv sub station and why.

211

Electronic circuit

263

What kind of socket shall be provided for window type air conditioner with cooling capacity upto 18000 BTU/hr

245

The inventer is a battery, but if lost current at home u will turn on the fan but the is AC and inventer battery is dc . Then how the fan was rotating. What device Or machine in fan converst the Dc power to Ac power

296

How does frequency affect KVA rating of a transformer? If a 500 kva, 500 to 250 v, 60 hz t/f normally used in Canada is to be operated in Europe on 50 hz frequency then how will its KVA rating change? a-increase b-decrease c-remains same

1 330

How does frequency affect KVA rating of a transformer? If a 500 kva, 500 to 250 v, 60 hz t/f used in Canada is to be operated on 50 hz in Europe frequency then how will its KVA rating change? a-increase b-decrease c-remains same

1 391

What is the output of below program? #include int main() { int p,q; for(p=1,q=1;p<7;p++) { printf("%d%d__",p,q); } return 0; } Answers- 1. 17__27__37__47__57__67__ 2. 11__21__31__41__51__61__ 3. __11__21__31__41__51__61__ 4. Compilation error

1 409


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Un-Answered Questions { Electrical Engineering }

I have an existing old MCCB. ABB Model SACE, the rating are: Ue = 660 volts, Iu =1250 Amps, 3 poles, Ith (max) =800 amps at 45 deg C. I need a circuit breaker for my 3 phase motors, 380 volts 60 hz. the supplier required the minimum ampacity of the breaker to be 911 amps. can i use this breaker with rating of Iu =1250 amps but Ith = 800amps maximum?

1364


what purpose to use excaiter in DG.?

1833


earth also having a gravitational force (magnetic field of north and south)but it attracts any object compare to this theartifical magnetic cant perform same as earth why?

1061


What is icu and ics in Acb and how many time icu or ics passes from breaker?

673


what is the reason for indication of light in the earth lamps of main switchboard.if there is an earth why does one lamp get dim and the other two bright.

1467






actually i can't understand what is 3dB ? and it's really not clear to me.please any one let it me be cleared.

1417


1hp= how much rpm

1236


star delta starter contorl circuit... drawing..

1352


What are your future plans for the company if permanently employed?

1345


How do we calculate transformer oil in liter from the rating of the transformer.

856


Electrical 'C' license full abbreviation , and full form

747


What is an ideal transformer?

315


suri transmission

3815


Can we use Ccapacitive voltage transformer directly for metering purpose?

751


How can I calculate ISF of current transformer?

2453