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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

which one is the most common system for secondary ditibution

1 3401

difference between moore and mealy model

Google, IBM, TCS,

2 11250

WHAT IS THE FORMULA FOR CALCULATING CURRENT RATING(DIRECT IN GROUND OR AIR) OF ARMOURED(XLPE) CABLE OF 4C,16Sqmm?

2065

why field winding in synchronous machine connecting in star position?

HCL,

1 2587

what is meant by dielectric breakdown ? where we using HV test kit & what purpose?

ITC Infotech,

3 10046

why motor rating in kw?

3 5832

at present how many EHVAC lines are there in India?

HCL, L&T,

8 13081

what is the difference between old fan regulator and new fan regulator

1 6350

Why space heater is required for each verical bus bar chamber? if one space heater is adequate or not for anti condensation?

2492

why using in cable mm square which is mm & which is square why using mm & square.

Airtel,

1 4530

does magnetic interlocking take place in an induction motor ?

2 5356

IN MCCB AND MCB TERMINATIONS ARE IN-COMING ON TOP AND OUT GOING ON BOTTOM,IF WE TERMINATED INTERCHANGED TOP AND BOTTOM ITS WORKS?

2 5907

can we amplify dc signals.how can it be done

4 7113

can we apply kirchhoff's laws to circuits containing non linear elements?

Metro,

3 14298

Why electrical power generation and transmission done in 3 phase system not more than 3 phase ?

3020

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Un-Answered Questions { Electrical Engineering }

How much weight an electrical engine can pull??

2048

Why we use 4-20 mA Analog signal for the PLC input? Why not 0-20 mA? Why not 5-25 mA?

2852

why do we use spark detector inside the slip ring brush compartment 0ona slip ring induction motor?

2052

at what rate the micro controller increment its timer....is it 1micro seconds or 1/(12*10^6) seconds

1754

What is principle of Floroscent tube 36watt.

1993

How harmonic block test are conducted on relays ( Siemens,Areva ect )power transformer using omicron kit?

2218

area control error

1697

Explain the iniluencc of short circuit ratio on the pert'orniancc of synchronous machine.

2162

What is power in wattage of 8.5 TR AC

1612

what is the difference between elcb and rccb ?

2284

What is the difference between cylindrical-type and sandwich-type winding?

1418

State how to produce a constant rotating field by application of alternating currents to stator armature of a three-phase squirrel-cage induction motor

2455

what is laser diodes?

1118

Can we indroduce the principle of single phase induction mator to Transformer? i.e. by Producing rotating flux in the transformer.

2259

What is the tests required for a 132 kV, 400 kV , 765 kV for a Circuit Breaker and Power Transformer before commissioning ?

1518

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