Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what will happen if we pass a dc current through a ac bulb of 60 watt.The dc current is half ac one

4 5572

What are methods to avoid the inrush current at the time of starting of power transformer ?

Wipro,

8 7507

What is the min and max ohmic value for earthing?

Wipro, NewTek,

15 25584




WHY IS THE EARTH FAULT CURRENT ALWAYS LESS THAN THE NORMAL CURRENT??

Reliance,

7 11523

WHY IS RESTRICTED EARTH FUALT PROTECTION NEEDED?? WHY CANT DEIFFERENTIAL PROTECTION SUFFICE???

14 19583

As Electricity Generates in MW I w'd like to know What are the factors we have to consider regarding the transmission of electricity from generation station to Public uses(230 V)

1 2250

In view of Electrical Engg. What is the use of SCR(Silicon control rectifier)

11 9482

if receiving voltage is higher than sending ones what will be the effect of receiver

4 3517




What is the breakdown voltage?

13 7776

What are types of encoders?

Wipro, ITC Infotech, UFO,

19 73083

how water and air molecules are conduct the heat?

1 1863

sir i have a car stereo system and there is jack on him so can u tell me a way to find out their power terminals on the jack or on the circuit board"

602

What is min and max voltage between earth and neutral/phase if it perfect earthing?

Wipro, L&T, ISS, Epoch, ITC Infotech, Statex, Power Works, Sterlite,

37 203171

why designer use kva rating instead of kw in transformer rating???????????????

9 13422

send me any model test paper of clerical post of state bank of india.......

561


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Un-Answered Questions { Electrical Engineering }

what is DRP panels?

724


Is it possible to measure the voltage of a battery from a single terminal?

347


Why collecting electrode of ESP to be earthed

773


1.4 What is meant by CT knee point voltage and how would you determine it

120


At what speed 1 HP motor can run an electric car of weighing 400 kg?

340






bsnl tta exam question

662


Why we use circular(Stepped) cross section in transformer core?

843


What are the specifications for getting approval of Substation?

672


what is the series parallel connection of capacitors? and how can we use these application in three phase motors for controlling torque?

756


ASTM D 3455 - Standard Test Methods for Compatibility of Construction Material with Electrical Insulating Oil of Petroleum Origin has been used for Testing Transformer Oils with a product placed in it. Aged Control Oil has a Power Factor of 0.032% at 100°C. Aged Oil with a Test component has a Power Factor of 0.093% at 100°. Is this increase acceptable? If not why? How much increase is acceptable?

499


Match the following a)(X'+Y') b)X'Y' C)XY 1)NAND 2)NOR 3)Carry

655


How to configure the drives in PLC, through Profibus commnication. And to how to address it?

1546


How to test the vector group of a Yd11 transformer? what are the relations to be checked between various vectors to confirm this vector group?

3042


How can we connect additional batteries to three phase ups? What are parameters we have to check when connecting?

660


The 3 phase Delta connection RB=440V, BY=350V,.......* is Line to Line voltage RY= ? And Formula....?

115