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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

How are calculated the aluminium busbar cross section area?

2 9450

Are same transformer be employed for step up and step down services?

3 5958

On what basis primary and secondary of a transformer is chosen?

2 5153

how to male a d.c bettery to blow a 230v bulb?

1 4298

Can a 50-Hz designed transformer be used at 60-Hz system? Is the same remains true, when a 60-Hz designed transformer be used at 50-Hz system? Consider only frequency variation. The voltage remains as rated value in all cases. Justify the answer.

2 7902

How to protect the water pump by no load running.

Cushman Wakefield,

9 13952

Hello, im taking an introduction to PLC..and i'm having a hard time on creating a program for 2 lamps blinking alternately with this button characteristics: 1.) One push button (starts upon pressing) 2.) Same push button (when pressed again, will pause the system) 3.) Same push button (when pressed again, will continue the paused system) 4.) Same push button (when pressed within 2 seconds, will shut off the system) Pls..i know this is just a simple problem for you guys..

2 4313

In n high voltage 11kv system What happened if 1 of CT cable (IDMT) loose.Will e/f or o/c trip.please explain detail

1 4214

In UPFC,What is the need for Dc link ( DC capatior)?

1 5087

Can a transformer designed for a particular voltage and frequency rating be used for different set of mentioned ratings? Assume that the winding does not get burnt because of overheating at higher voltage. If yes, then under which constraint it is possible?

1 3179

why microprocessors are named as 8085 ,8086 etc? what's the reason for this???

Bhel, HCL,

15 44313

what is basically a pulse transformer?

1 9026

what is relay multiplier

Atomic Energy Commission, Bhel, Wipro,

1 6292

whose motors self starting synchronous or Induction motor?give fact reason why not self starting another mother

2 5348

SSC JE ELECT.

CPWD, SSC,

1 19267

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Un-Answered Questions { Electrical Engineering }

why is the conservator tank painted white on the transformer

3148

why three phase capacitor takes unbalanced current in capacitor bank?

1454

how to calculate fault level?

2231

how does this job compare with others you have aplied for?

1627

why we can use 1 to 5V dc

1927

Name two low frequency oscillators?

1366

Y phase plates are used in transmission line??? what is there need???

2878

when we gave dc supply to 220v dc motor its rpm is 1200. then we gave 180v. how many rpm of its motor. gave answer with calculation at my ID.... ravizak@ymail.com

2314

what is the use of commutator in dc motor if we supply ac ? commutator is used to convert ac to dc.and it is used to arrange the flux in unidirectional in case of dc supply. if we give ac as supply to dc motor what is the use of commutator?

2052

hello friend i wish to study a course related to the electrical construction, controlling and monitoring , which course i want to study? pls give me the name of institute?

1760

How to decide and select the different earthing wire size for the different types of earthing

2235

how to setting Load amps tripping time and extra settings for load Transformer protection relay with RMU panel using C&S model relay..?

1092

What is the formula to calculate the no load current of a single & three phase induction motor

2235

what is ps impedance test

2081

how can calculate 1kva generator running time in 1 liter keroscene

2584

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