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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

WHAT IS THE FULL FORM OF ONAN ( TYPE OF COLLING IN TRANSFORMER)

7 17767

what is the necessity of under ground cables ??

2051

WHY WE USE SIEMENS plC

3 7435

DIFFERENCE BETWEEN TRANSFORMER AND CURRENT TRANSFORMER?

7 9901

Why a transformer Noise during its running condition ?

NTPC,

8 14046

about transformer oil material & Test name for the measurement of its dielectric strength & wht will u do if its dielectric strength goes low ?

NTPC,

2 6713

What is relation between transmission lines & Communication lines ?

NTPC,

2151

Which Machine u will prefer to use at a place where flammable gases are coming out & why ?

NTPC,

4 6763

how fault in an electric system is detected & hw protection of equipments is done ?

NTPC, RLY,

6 9394

Why we didn’t feel electric shock in an electric train ??

NTPC,

10 29736

i Have 1000kva 11/.4 kv voltemp make t/f Its a 2 year old. i wants to known how much iron losses & copper loses during no load condition.

2 4377

Can I use cable armour as a earth conductor? if not how many GI/CU wires I need to run along with cable?

1 4346

What is the general power factor & min. power rating of TV,LCD type TV, CRt type TV, Scanner, printer?

2012

How to know the back up time for a 5KVA UPS which is connected to 15 nos. of computers? Is there any formula for this? pls. tell me.

S V Sugar,

1 8372

Can neutral line also be use as a earthting for distribution transformer, or we need separate earthing pit forh the transformer?

1 5551


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

What are the advantages of thermal power plant?

1131


Explain with example of functional requirements of protection relay in terms reliability, selectivity, sensitivity

1853


how to calculate the torque of a motor?

2081


High voltage test procedure of in swgr board. why should measure millivolt drop on testing time?

2068


to hook up ten 50 amp rv pedastels at a lenth of 600 feet from the service what size will my service need to be and the size of wire will I have to run to each pedastel in series??????

2043


how to select battery for 15 KVA UPS with formula

2515


I WANT HOW CALCULATE TO CABLE FOR WELDING PLANT ?

1802


If any HVDC line is going with positive & negative(the negative usually have return path of current with earthing electrode). Now the question is if this HVDC earthed electrode which is using as return path and earthed any nearby 400kv or 220kv AC substation equipments. which will be the impact of this on AC substation & its equipment, how severe may be this and what should be the minimum distance require between HVDC earthed electrode and AC substation equipments? It's really an high engineering level question...Dare to answer and increase your knowledge.

1854


whats the existence of reactive power and when it arises?

2098


I am completed DEEE in tamilnadu, now i am working in andhrapradesh with 2.5 year experience in relavent field. capacity of the tranformer is 11KV, 1MVA Transformer, i am eligible for getting c licence in andhrapradesh pl help me.

1547


100 MVA 3-phase alternator with earthed neutral has a reactance of 5 ohms per phase. what will be the fault MVA of generator.

2311


I want to know the 'Test voltage' for Tandelta testing of 3.3 / 6.6 / 11 KV Motors. Please explain

2236


how to electronic energy metter failed in electomagnectic fild passing in the metter and which thing to defect more on metter.

1936


explain single phase series motor

1913


What is the normal phase difference between the voltage and the no-load current in a transformer?

1206