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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is active power and rective power and power factor

1 2195

why a pilot exciter is used in combination with the main exciter? why not only a main exciter is used for excitation to an alternator?

Electrical,

1 3151

what will happen, if both relay contact has live supply, and coil of relay activated

AVS,

1 1946

What will happend if given Vfd out put to step up transformer

1077

Why phase sequence ryb called colours.

MS Life, NTPC,

1 3263

If NO contact of relay gets supply from other sources or other part of circuit and at a time relay coil activates,then current will flow in which direction & will it cause to damage relay??

1 1547

i need about 10 years of GATE solved papers in pdf format and even mock tests toooo

1035

What is the RME and explain the full form and what is the RME work?

JLL,

1754

AC covered area by ton calculation

2 2226

What is a current transformer?

KEPL,

2 2298

how to reduce the co level in your 1000kva dg set side?

Cognizant,

1 2208

what is interfacing in computer studies?

1095

150 hp moter how many kwh in 1 hour and what forfula 3 phase kwh.

College School Exams Tests, CPCL, Syncom, Thermax,

5 4478

Specify the crystal frequency required for an 8085 system to operate at 1.1MHz

1 7497

How much ampere can withstand for 2sq mm c able?

2 2784


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Un-Answered Questions { Electrical Engineering }

what is mean by kneepoint voltage? when it will happen? ( my doubt is, if CT secondary is open means ct get saturation or blas? what are factors are required for calculations? plz give currect anws:

1299


I Want randstand placement papers

1125


I want to put this query to SENIOR & EXPERIENCED ELECTRICAL ENGINEERS. 1)I want to know about the control circuit diagrams for control panels. I found it difficult to understand. Is there ant booklet through which we can learn the circuit diagrams? 2)I want to learn about conduiting, laying cables, preparing cable schedules and various techniques which is the part of building infrastucture(construction field). I don't have any experience in this area. I have experience in control panels only. that's why i am not getting any opening in building infrastucture (construction field).Can I get the job in this field as Trainee Engineer? How to enter this field? I need job in PUNE

1321


While testing a ZCT what parameters have to check or measure?

1718


what is the difference between electrical and electronic choke?

1321






What is difference between Over Current & Earth Fault protection?

1730


Dear Respected sir how to test ABB REX521 protection relay by relay tester.

2054


How to calculate the size of earth cable to earth the neutral of UPS ?

1232


mostly the questions were from machines... d.c. machines, transformer, synchronous and induction all theory paper........ few from power system... but the level of paper was easy.....

1322


How to know about the rating(voltage and other) of induction motor if its name plate is missing at the manufacturing site.

2644


What is critical disruptive voltage?

573


why we used ZNO in Lightning arrester.

1356


What Normal(Tangent) towers and Tension(Cut-point) Towers?

4637


what is the need to express current and voltage in rms value? rms value is also called as effective value,what is effective value?

1328


how brushed dc motor operating ?

1237