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Electrical Engineering Interview Questions
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what is XLPE type cable

Areva,

8 11603

HOW TO CALCULATE THE HEAT AND LOAD OF LT-SUBSTATION WHICH CONTAINS 2*1MVA TRANSFORMERS,LT SWITCH BOARD,MLDB,ACB,BUSBAR,ETC...?

 3483

HOW TO CALCULATE THE HEAT AND LOAD OF LT-SUBSTATION WHICH CONTAINS 2*1MVA TRANSFORMERS,LT-SWITCH BOARD,MLDB,ACB,BUSBAR,ETC,......?

 1620

What is erection of electrical system?

 1 5630

what is rotatng magnetic field in case of three or multiple phase alternating current machines???

NHPC,

1 3180

Brushed alternator is also called dc generator ? its true or false ?explain it ?

 5 5725

what is the working principle of Brushed alternator ? without exictation how we can give dc supply to rotor ?

 1 3672

Totally how much power will be consumed in 1 hour cotinuous running of electric train engine?

L&T,

1 3928

Name some application zrea where IDMT relay can used?

SKB,

3 14855

i am working in a grid substation,TNEB having 13 yrs experience. Am I eligble to get apply for c licence now?

 3 6505

I am a possesor of c licence from 1993. I forgot to renew during the year 1998. During that time I was working at TNEB to till date. Is there any possibility to get renewed? or to apply for a new one?

 1602

HOW MUCH CURRENT DOES SYNCHRONOUS MOTOR TAKES AT SYNCHRONOUS SPEED IN NO LOAD CONDITION ?

 1440

why different series of vfds (like allenbradley)are used in industry ?

 1818

what is difference between c-power & u-power air circuit breaker?

Areva, IIT, Marine Electricals,

2 28201

what is meant by Back emf ?where its occur ?

 6 11466

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Un-Answered Questions { Electrical Engineering }

how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?

1684

What is essential to prove safe isolation of electrical circuit?

628

How does an oscillator differ from an amplifier?

660

What is meant by stator?

657

why 5kW motor becomes unbalance if its relay trip 1st time and its set value is 7.0 A

1514




sometime battery charged and then automatically charged when rectifier ON conition, is there any chances please clarify the same.

1377

ratings of lightning arrester

1621

How to protect sensitive loads such as Dosing pumps inside a factory from voltage surge/voltage fluctuation.

1333

Readings of ER300P Trivector meter

5842

The knee point of a current transformer is normally unique and known.So why in the nameplate of a CT they put the minimum value like this Vk> 400v.

932

am commissioning the trafo without connecting the neutral therefore unbalance will occur what is the alternative solution for this?

1356

Please tell me the formulaes while designing a substation for power Calculations in designing a 33 KV Substation?????

1377

If mutual flux is 1.2wb & power factor is 0.8 lag , then what is the Useful flux of a transformer?

3957

what is different between relay and plc?

4051

EXPLAIN METOD OF IMAGE OF TRANSMISSION LINE/ WHAT ARE ITS PRACTICAL APPLICATION?

1423

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