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Electrical Engineering Interview Questions

What is the difference in Line PT & Bus PT.

Bhel,

17766

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

2643

what is the difference between Resistance VS capacitance

3681

what is the main difference between power devices and signal devices

1274

Difference between divercity and power factor

2675

if earthing is not connected to computers any problem ?

HP,

5356

Distinguish between shunt and series field coil constructions.

BEL,

7789

Difference between divercity and power factor

2844

why earthing point in the 6amps/16amps socket bigger than the remaining (Phase & Neutral)points.

1218

In diesel generator how AVR get voltage to excitation. And basic diagram DG EXCITATION CIRCUIT.

2339

how much current carry a 3-1/2 core of 100mm size cable.explain it with solution

ACS,

3814

when 40 watts and 60 watts bulb is connected in series, which bulb glows brightly ?

14724

What is the relay function?

3160

what is RCBO?

2735

why does a dc machine has high efficiency while working as a generator than as a motor

2129

Un-Answered Questions { Electrical Engineering }

how to calculate micom relay earth falt time and current sertting

1192

WHAT IS THE CURRENT CARRYING CAPACITY OF 2.5/3 CORE HI TUFF CABLE,WILL IT SAFLEY CARRY 8.6 AMPS OVER 120 METRES,CAN YOU ALSO ANSWER WITH FORMULA FOR WORKINGS OUT ,THANK YOU 3RDYR APPRENTICE.

2558

What are the three types of compensators?

218

Define what is power quality meter ?

215

we have earthmat at 110KV substation.we would like to take earth resistance.b some says that by connecting earth megger terminals (C1,P1) at middile point of earthmat (at riser) will cause voltage gradient at other earthmat nods and dont get exat earth resistance.when connecting at end nods will get exat value . is it correct .please explain

1203

1sq mm dc powr cable can carry how much dc currnt

1030

Explain the method to keep noises low in a control system?

213

how does a liquid starter reduce the starting currents?

1144

can i connect REF and Differencial relay in 1 CT core for transformer protection?

1028

what is the difference between neutral and earth

1144

what are the Alarm, Trip & Safety equipment (Issues) present in Power Transformers pls Mail it to ashokbabunhce@gmail.com

999

WHAT IS THE DIFFERENCE BETWEEN AN ACB & mccb 7 WHAT IS THE CRITERIA WHEN TO USE WHICH OF THE TWO

1374

How to Preparation of online test

611

How does a transformer contribute towards the widespread popularity of ac system over dc?

211

how can found motors folt current ? how can disided circuit breakers caoicity and breaking capicity ?

1060