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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

Is 3C x 2.5 Sqmm Cable can withstand 40Amp Starting current? If Yes then specify your ans.

NTPC,

2 6751

WHY THE DIMENSION OF TWO SAME RATED MACHINE IS DIFFERENT ?

2176

What is 2P*0.5 sqmm screened copper cable and what is the use of it..?

1 3572

A MACHINE WHICH HAVE 1000rpm SPEED IS LARGER IN SIZE AS COMPARED TO THAT OF A MACHINE WHICH HAVE 1500rpm.WHY ?

2 4444

any one can explain what is the size of pvc,armoured, various sizes of powr cable dia?

1923

What are the specifications for conducting earth leakage test as per IEC standard?

2061

what is the difference between neutral and earth

LOreal,

2107

Why stones are layed under Transformer

4 5646

What is FM 200?

Dalkia,

2 5478

how to calculate relay rating for 50kw load

JNU,

1 4162

hi guys please tell me the procedure for mesuring the coil resistance of 3ph induction motor?

1897

how to select the isolation tranformer for siemens 802dsl cnotroller

Siemens,

2068

what is the meaning of the symbol << >> put in transformer drawing

TATA,

1983

On a 6 KVA UPS we have to provide a DC MCB for Battery bank of 16 nos (12 V 42 AH). What Shall be the current rating of DC MCB ?

TNEB Tamil Nadu Electricity Board,

2654

On a 10 KVA UPS we have to provide a DC MCB for Battery bank of 16 nos (12 V 65 AH). What Shall be the current rating of DC MCB ?

RR, TNEB Tamil Nadu Electricity Board,

6 15612

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Un-Answered Questions { Electrical Engineering }

how to minimize earth resistance upto 2Ω, if the resistance is 6 Ω ?

1840

I have 4 busbar of 1000 ampere. we use 4 busbar to make 4000 ampere in one phase.my problem is that when we applied 60% load on that then busbar produced high noise.what is the reason of that and how can i minimize that noise.

1710

hi frnds...pls send me aptransco previous papers .....pls..pls,,,(madhar.rocking@gmail.com)and suggest me some websites

2132

SIR, GIVE ME OPGW SAG CALCULATION FORMULA I AM DAE ELECTRICAL. THANKS

6842

what's the difference between 'shaft power demand' and 'BHP' , when we consider electrical load list.

1518

how maney type tempereture measurement ?

2258

Why frame of the motor is specified?. If we mention KW and voltage level,automatically frame is decided or separately frame is compulsory to mention?.

1735

why we need to us lenz's law for synchornous motor

2572

what is ratio of copper wire size and current ?

1824

description with working of all parts of a Diesel generator???????

2481

Draw the line diagram of diffretial relay connected to transformer?

2440

sir i want previous entrance exam papers for written test

2155

How will calculate losses in an multi core Aluminium LT cable of different sizes & upto what length we can use a LT Cable ?

2151

difrent between vcb acb sf6 and mccb breakers

5439

What is the tension required for the 25000 CFM AHU belt

2487

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