Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

what is the diffrent between ups and inverter

ABB,

2 5386

difrent between vcb acb sf6 and mccb breakers

DMRC,

1 5439

what is diff btw electric,magnetic & eletromagnetic field

Senthil,

2130

how calculate the electrical load for industry and office

2 9323

What are the types of piano switches?

2036

What are the specifications for getting approval of Substation?

1931

During underground cabling in landscape area what did we cover the cable with to prevent the electric shock & protect the cable?

1875

According to conduit size which size wiring & how many wires can we provide wires in conduit & how can we select conduit size accordingly?

1902

(In MEP services) HVAC in AC Plant room what else can we provide if the chiller is not considered?

2043

what are the reasons for overheating in electrical machines?

3 5372

Difference between hopkinson and swinburne's test

1 13634

What are safety features considered for Lifts during emergency?

1 2590

In Plumbing services What are accessories we consider for a bathroom?

1995

What is the minimum underground tank size capacity considered for firefighting purpose?

1958

In MEP Services what are parts of STP and what are there function?

Tenon,

3554

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Un-Answered Questions { Electrical Engineering }

In a voltage-controlled current source A A current booster is never used B The load is always floated C A stiff current source drives the load D The load current equals Isc

1890

hello if any one have papers vof hpcl or sail, plz send me

1921

can any one suggest me the tilt angle of my solar pannel ?? or tell me how can i know the fix tilt angle of my solar pannel?? my cordinates are 31.503629,72.993164.

1812

How to calculate the Harmonics losses in terms of cost/unit.

2024

I Need standard operation procedure(SOP)for 500kva Oil type transformer oil filtration & Procedure for IR value checking.

2895

what is laser diodes?

1159

TCS IS IT COMPANY THEN WHY DO THEY NEED ELECTRICAL &ELECTRONICS ENGINEERS?

1943

how many types of motor can be used in washing machine

2108

if a number of plc s are there then how many modbus to be used

1959

Salient pole alternator is more stable, why?

2717

how you configure motorvision relay (L&T make)from DCS

4895

If UG power cable both ends are to be earthed or what? If not why?

1945

I'm generating a pulse of 3V with frequency 80Hz (12.5ms time period) and pulse duration 0.125ms and feeding it to a transformer since i want the pulse to get amplified around 60V. At the output amplification s happening but the pulse is changed to a spike, can you tell me what could be the reason? (an ordinary transformer 220V-12V stepdown transformer is reverse connected ie. now it is 12V-220V stepup and voltage amplification happens)

1897

I have 4 DG set with 1500KVA rating. system breakers are 11KV & alternator are 415 Volts. Between alternator & breaker one stepup transformer used. i want to Know what is max. resistance for body earthing & 415 & 11KV V Neuteal earthing. my fault current is 14 times for 2 sec.

2279

how to convert lv line to hv line and viseversa, any losses will occur during this process

2070

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