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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

How to calculate the lighting load & power load requirement by knowing area of building/room. Is there any thumb rule?

3 15106

ohms law aplicable

APGenco,

16 11795

Electricty is generated at around 16kV, then step up to 220kV for transmission then steped down to power transformers then DTs and then through the LT n/w it reaches the consumer end. At the consumer end 230V supply is required. So, why is electricity not generated directly at 230V and transmitted?

4 5014

how sensors are working?

Amazon,

1 1418

What is Load commutation and how it is done?Cite some example where this type of commutation is used

NTPC,

2 25848

What is LCI drive & how does it work & why it is used?

EIS, ONGC,

1 15301

what mean by machin

5 3633

for 8 mva 33/11 kv transformer what will be the setting of differential relay on which it trip & what is the HF setting in this relay

2 3063

how the testing of CT OF 400/200/100 done in33/11 kv s/s

Reliance,

1 4563

electricity requires a medium to flow and it cannot flow through air. so how does lightning come to earth through air without any medium?

3 3543

wat is the advantage of increse in frequency?how the powersupply range decreses as the frequency increses?like in america,it uses 110 ac and 60 hz?

4 3999

why transformer rating is in kva?

11 11397

whats is the role of power factor in designing a tariff structure?

IIT,

1 3473

Who is reputed manufacturer of TNC switch for ACB in India ?

3 4789

Why in celling fan stator are rotatig while rotor are steday

6 9623


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Un-Answered Questions { Electrical Engineering }

what is the difference between switch yard to residential area.and how much required it.

837


Can i replace Earth leakage relay to the faulty Earth Faulty Relay

606


What is the breaking capacity of transformer and how can we calculate the breaking capacity of tranformer

822


WANTCONTACT NUMBER & EMAIL/ WEBSITE TO CONTACT THE SECRETARY,MADHYA PRADESH LICENSING BOARD(ELECTRICAL),K- BLOCK,3RD FLOOR,SATPOODA BHAWAN,BHOPAL

1185


What are the parts in a inverter?

1125






What is Icu and Ics and what is difference b/w them. please tell me how to calculate a size of a copper bar for a system or a breaker... reply on... king.arish@gmail.com would be waiting for a logical answer.

1460


What is the Load Capacity of Panther conductor (0.2) and dog conductor (0.2) 

1879


Main advantage of auto transformer over two windings transformer is that A it needs no cooling B it uses only one winding C core losses are reduced D it has simple construction

1955


what is High resistance grounding and whatis the criteria for the selection of High resistance grounding

1209


What are the Return ( Monthly / quarterly/ Annual submitted to Electical Inspector for an establishment (Factory in Maharashtra-- Small scale category having seperate HT line of 22KV ) as per Maharashtra Electricity Act

1108


Why the cores of large transformers build up of circular cross section?

1121


Why do we apply both Differential and REF (HV and LV) protection schemes on YNyn configuration of a transformer?

1070


Earth has zero potential then what would be the neutral potential ?

481


Working of microwave oven?

1343


At full load wat is the motor p.f And at no load will is the motor p.f?

1289