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Electrical Engineering Interview Questions

how can we measure the import power and export power in the same line?

2767

what is the operation of Control Module(CM),MONITOR Module(MM), MONITOR Module DUAL (MM2),Signal Module(SM),Isolator Module(IM), please some one reply me.. the operation and application of these in FIRE ALARM SYSTEMS...

33349

What is Traction? 1KVA Alternator, How much urrent taken?

Bhel,

1154

i purchase a microwave which is 50/60Hz but Current Setting 60Hz in my country we usually use 50hz, can i use AVR to solve my problem?

3390

What will be the minimum megger value of 1700 KVA Transformer? a) Do megger value varies according to climate conditions and area . b) If megger value is 100 mega ohm is it good for new transfomer. Explain?

4604

i am using auto transformer for starting of induction motor to provide reduse voltages...but the principle of a tansformer according to definition"which transform energy to on circuit to another circuit with constant power and constant frequency". so if i am using reduse voltage then current obsely hige because power is same.but we use auto transfarmer for starting of induction motor to give low current.but here according to definition we are giving hige current.

1136

why ac signals are sinosuidal

3928

what the Microsoft .NET framework is?

1022

Whats the use of earth pits? and it will function? whats the natural earth value? How to improve ur earth resistance?

17051

why root three is used and how its comes in three phase power system?

IEEE,

3401

What is the SPEED of electricity?

3013

how many transformer

5325

why voltages are added when batteries are connected in series?

4055

what is the max load on a 10 mva transformer & plz define it with its formula

1106

What is the differentional relay...what is the work of this in power Tx. how it is works..

ABB,

984

Un-Answered Questions { Electrical Engineering }

working principles of cf lamp,incandescentlamp and f lamp?

1359

how to calculate power consumption in slip ring motor at different step

1231

Is there any specialised book to refer about fault level calculation both in MV and LV side??

1186

what is the prosses for getting of 33kv licence (i have completed my engineering degree & working in 33kv substation for contract basis )????

920

What is the type of earth fault protection used in battery? explain.

1408

what is the main difference between power devices and signal devices

1270

How to operate a ac chilar plant?

1524

Draw a 230kv two-bus bar system showing the following. 1.Two generators (150MW) each connected through one 15.75/230KV transformers 2. 1 outgoing lines 3. Two 230/130 KV transformers 4. BUS PT's 5. CT

1537

What is meant by rotor?

214

Can u Explain about the electronic trivector meter and the use of data converters in them?

1414

As we use capacitor bank in 3ph ckt to improve PF, can we use capacitor in single ph domestric use, in house we have Fan,Mixer,electric cooker,iron,tube choke they also lag the system,because it is inductive load. if it is possible to improve PF of single ph system-- if yes- type of capacitor to be used,connection diagram, working in detail. if no-- list it.

779

rajha power sector details

1112

what is the difference between electrical choke and electronic choke?

1652

how to find the resistance and gap volatage of the diode??

1098

hi I have done 3 yrs diploma in electrical engg after 10+2. I have 16 years of work experience into design proposals sales and engg application development in LV/MV swithcgear and sub station automation field. I want to apply for immigration to new zealand but I am not sure whether I qualify or not since I dont have a degree. Can anyone advice? Thanks Riz

1377