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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

How much dc volt applied in cathodic protection system?

 1834

what is balanced network and unbalanced network

Nalco,

1 4253

PLEASE ANYBODY HAVE ELECTRICAL CIRCUIT DIAGRAM FOR CHMER PULSE CD 60M SPARKING MACHINE.PLEASE MAIL ME SUPRIYAAYYAPPAN@YAHOO.CO.IN.

 2337

why is a earth pit 10 ft usually? And, what should be the distance betweeen two earth pit?

 4 5491

What do you mean by Transformer?

Hyundai, NTPC, wbsedcl,

9 13575

what is the difference between a race around condition and toggling?

 1 24954

what is slip ring startor

 1 2672

what is the difference between multimeter and megger?

Bhel, Metro,

3 15717

what is stray capacitance?

 1 3101

what is advantage of providing taping on HT side?

 4 5188

what is the advantage of connecting capacitors in delta than in star?

NTPC,

1 2278

(1)The demand for electricity , the amount of renewable generation available, the amount of fossil fuel generation available and the cost of the fossil fuel generation are shown in table below period(hrs) demand(MW) renewable (MW) fossil- fuel(MW) cost of fossil fuel(MW) 00.00 - 01.00 2000 1800 2000 30 01.00 - 02.00 2300 2500 2000 30 02.00 - 03.00 2500 2700 2100 45 03.00 - 04.00 2900 3100 2100 50 04.00 - 05.00 2700 2600 2500 45 05.00 - 06.00 2400 2000 2700 50 06.00 - 07.00 2200 1800 2000 36 07.00 - 08.00 2100 1600 2000 36 Assuming that the renewable generation incurs zero cost, determine an optimal generation schedule(specifying the amount of renewable generation and fossil fuel generation used in each period, the cost for each period and the overall cost for 8 hours.)

 1415

while doing high voltage test on 11kv/433 distribution transformer why we only give 28 kv on hv side and 3kv on lv side for power transformers what is the value what factors it depends

Enercon,

2364

draw singleline diagram of star to delta and dol starters

JCP,

1778

what is advantage of using star to delta in place of dol starter

 4 5599

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Un-Answered Questions { Electrical Engineering }

What is the necessary and sufficient condition for stability.

701

i karmveer bharti persuing b.tech . plz send me syllabus and name of reference books. for preparation of section eng.

1642

What is the general system requirement of alternator?

1315

PLS MENTION QUESTIONS ASKED IN IOCL INTERVIEW FOR ELECTRICAL EGG??

1947

how can i determine the gear ratio for a rack and pinion system if an electronic gate operated by an electric motor is to travel a distance of 5meters in 15 seconds.

1619




A 11KV, 1200 A breaker combination fixed in a cubicle for HT motor.Is normally for 11 KV motor fuse is using? if Yes, What range fuse is required?

1509

What is the need for a controller?

649

If one tertiary phase i.e. R,Y or B is earthed of a loaded type tertiary delta connected (Without load)of a power auto transformer, what is its advantage/disadvantage?

1604

draw 3 phase rectifier diagram

1710

what is high - pot test. what's its use?????

1600

what is the Transformer Impedence?How can calculate?

1447

Greeting to all members, How to calculate spill current when we have different ratio CT and Class for REF(Low Imp) I have 500/1A 5P20 @line side n 400/1A CL.X @ Neutral.

2534

Define cuttoff frequency?

665

is it true there's a big difference in using Cummins or Denyo...especially power output or leakage

1386

explain the process of commutation in a dc machine. Explain what are inter-poles and why they are required in a dc machine.

683

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