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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

Formula to calculate amps rating when we are having only the width & thickness of the coppper ?

BEL,

2 5663

what is the difference between Current transformer & Capacitive voltage transformer

ABB,

2 5980

How to calculate amount of copper used in a motor (AC&DC), generator and transformer? Datasheet provides power rating and mass of the equipment....can we somehow use this available info.

1 3932

why using carbun bresh in dc motor

3 5527

tube light how its working.,?

3 6265

What is the minimum load that you can keep in a 3 Phase 40 KVA Diesel Generator? Is it neccessary to load all the 3 phases? Can a phase be left without load?

DRDO,

2 6085

Circuit diagram of tube light without starter using electrical choke

4126

gd eve frndz my qstn is how convert sound energy to electrical energy

HCL,

1 3620

What is it mean Transformer 100/133MVA Power Transformer, significance of 100/133 MVA and 230/115KV please

3 6492

CTs Ratio

2 4657

TRANAFORMER RATING 500 KVA,33KV/433, SECONDARY SIDE SWITCHED ON ONLY CAPACITOR LOAD 140 AMS, PRIMARY SIDE HOW MUCH VOLTS INCREASE?

BPL,

1 4371

how we decide scurt (disc) of insulator with respect to kv rating

1 3569

why inverter rating is in KVA

Alstom, JSW,

3 8590

in my working site. momentary jerck in electrical supply ocurred frequently which cause of multiple losses in our electrical equipements. how can we protect our electrical machines and equipements in this situation.

1 3488

why field resistance is higher than armature resistance in dc machines? and why filed resistance is kept at min value at starting in same time of armature resistance at max value?

4 32637

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Un-Answered Questions { Electrical Engineering }

can i able to get bhel previous exam question paper?

2101

can any one suggest paper presentation topies for electrical engg?

1996

what is servo motor and how to work it.

1920

What do you mean by Frame 5 Gas Turbine as well as Mark II.

2500

how to calculate energy of 3-phase motor?

2078

what rectifiers is and what are the types of rectifiers?

1152

what is the difference betweem star connected motor & delta connected motor?

2364

we need a ntpc previous papers

1929

Describe the control mechanism of missile launcher???

1973

how can we find thae value of capacitor for single phase motor. what is difference between starting capacitor and running capacitor.

2368

What is an automatic controller?

1165

How dia computation perfomed in cold rolling mills .

3059

how to calculate sizing of NGTR (Transformer rating,Loading resistor value and Current rating of resistor) and what is the X/R ratio. Details : 11kV,Capacitance 1.73532 micro farads,40kA for 1sec.

2274

what are the advantages and disadvantages of speed control of 3 phase induction motor by varying frequency explain with drawing

2672

Why the earth to phase voltage is high 250 compare to other two phases

1522

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