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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

I want to design a heating coil of 80/20 nicrome for 3.5KW please give me the calculations choosing for physical dimensions assume coil voltage will be 110V AC assume necessary conditions

1572

Why resistance is not measure in running conditions of motor

Falcon,

1 3022

What is Percentage impedence of a transformer? why it is expressed at a percentage? what is the importance of percentage impedence in case of a transformer?

Haldia,

1845

How test for Ddo vector group test condition?

2413

what do you mean by power factor ? in new view

BDL,

3 4605

Why the pointer of earthing of 3 pin top is made thick and long compared to the phase and neutral pin ?

Sanima Hydro Power,

3 4215

What is mean 2XWY

Wilo,

2449

How to calculate Voltage regulation of 22 KV Over head Line.

1621

Actually why the transformers are rated in KVA.?

BSL, Engineering,

4 6004

How Can Be Size Of Transformer Corelate With Freqvence?

Essar,

1 2545

Is a current transformer step up or step down ?

2 3481

what is PWM in IGBT and how it works for drive.?

BRG,

1621

In transmission line 11kv,33kv etc are rms values are peak or others??

1 6896

What is transformation ratio what it describes?

Cushman Wakefield,

1657

How i can calculate the cable size for given load,there is any formula,for 3 phase and single phase

Prescient Technologies,

2 3666

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Un-Answered Questions { Electrical Engineering }

what is sevice settings for mccb?How can be it setted?

2159

Minimum IR value of 1.1 kv grade 3.5c (300, 240,185,150,120,95,70,50,35,25) sqmm Aluminium XLPE cable and 4c (16, 10,6 & 4) sqmm cu arm cable between RY,YB,BR,RN,YN,BN,RE,YE,BE & NE.

3314

a battery is having capacity 100AH and 25% charging .if a load taking 10A & connected 6 hour .what is the final condition of the battery.

1581

how we test a 3 phase motor on single phase supply....? HOW WE RUN A 3 PHASE MOTOR ON SNIGLE PHASE. supply for testing..? how we verify of a 3 phase motors 6 wire & name thame a1/a2/a3..b1/b2/b3 and c1/c2/c3 for connecting star delta starter ........i have only 1 phase supply ? help forum..........

5112

how many current required for hypo test

1931

HOW WE CHOOSE EARTH'S POTENTIAL AS ZERO V?

2012

Why does curving the pole faces in a dc machine contributes to a smoother dc output voltage from it?

1217

what clearance required for 4.5 mva dry type transformer?

1982

In single phase capacitor motor, if the motor rotate reverse direction then how much power will be consumed by the motor and why?

1939

What is the function of interposing current transformer?

1016

What is the basic of DTH.

2268

What is the significance of integral controller and derivative controller in a pid controller?

1114

Two bulbs of 100w and 40w respectively connected in series across a 230v supply which bulb will glow bright and why?

1013

what are the types of electromagnetic forces developed in practical transformer?

2580

how to get electrical supervisor competency certificate in gujarat. i did 3 year diploma in electrical

2536

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