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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

Why does the power consumed is always constant even if a fan speed is altered?

5 21469

WHAT IS THE DIFFERENCE B/WDYNAMO&ALTERNATOR?

IOCL,

6 10370

lllg,llg,ll,lg,lll which fault is severe and why?

COEP, GE, PSC,

10 70757

why we use ac?why we use dc? why we we cannot use only ac/dc for all the applications?what happen if we use?

2221

what is the difference between current rating and breaking current of an MCCB? and for a known load how to calculate the current rating of a MCCB?

HPL,

1 6893

What is technical difference between ELCB & ELMCB?

3 35600

how was the induction stove working?

3 6326

hi i m going to attend bhel interview on 22nd sep 2008 for ET(electrical engineering).pls guide me how to prepare for the interview.i am a fresher.

Bhel,

1 4155

Explain the working principle of Vacuum circuit breaker and Air circuit breaker

HP, Trinidad and Tobago Electricity Commission T TEC,

10 48593

Why not using Air circuit breaker at High tension side?

Wipro,

1 3507

What is diference between ELCB & ELMCB?Also how its application for use in design area?

2 18902

How can w select the cable size for different rating load & also waht r factors affecting the during selection of cable?

AB Inc, Bosch, BRB Cable, Lucas TVS, Trisome Technical Services,

11 37676

wht is this amps in power consuption and how can we convert that into consuption hours ? i am a sales executive of a energy saving lamps .

KSEB,

5 8381

wht is the difference between volatge and wattage ? how can it be converted ? (like 15w = 6v ) like tht... ? actually what tht means ?

3 6430

what is the fullform of mccb

Thermax,

10 21862

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Un-Answered Questions { Electrical Engineering }

what are the differant std sizes of cable trenches?

2055

How many size of cable required for a 300m long and 30kw inductive lode

1305

use of choke in APFC panels

5821

Describe the control mechanism of missile launcher???

1973

what do you mean by type zero control sytem ?Give an practical example of type zero contol sytem?

1970

When can we take Neutral as common neutral link?

1662

I AM A ELECTRICAL PANEL BOARD DESIGN ENGINEER.IF I GO ANY INTERVIEW ,TECHNICALLY WHAT ARE QUESTIONS I WILL FACE FROM INTERVIEWER?

12887

When color of silica gel will gets change from blue to pink from Top to bottom?

1600

what are the range of memory address in plc for L&T lx7 4A

2324

How to test Alternator stability test for REF relay

1478

Differentiate between digital phase converter and ordinary phase converter.

1239

why swinburnes test cannot be performed on series machines?explain

2350

What is expention fastener (Fan)

2047

An 8 pole, 50 Hz, 3-phase IM is loaded to a poing where pull out torque will occur. The rotor resistance per phase is 0.3 ohm and motor stalls at 650 rpm. The rotor reactance at stand still is A 2 ohm B 1.25 ohm C 3.15 ohm D 2.25 ohm

2285

why should the lowest unit of a testing transformer ( cascaded transformer ) have higher power rating??

2299

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