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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

how to determine motor size for a fan application?

EDC,

2233

Is better to supply the voltage for static exciter from the auxiliary power source or from the SG terminals? And why?

1885

What is meant by term Back to back in HVDC transmission?

SSC,

1 4216

how we can calculate LT side current of transformer

L&T,

2 8657

which motor is used in our Indian Ceiling fan -Capacitor start and run or Capacitor start? (during repair i saw only one capacitor so it should be start only)

ABB, Bajaj Electricals, Power Grid, Ruchi Soya, Suzuki,

5 16764

what is the principle of switchgear and its function

1 3797

Please mention available current rating for MCB,RCCB,MCCB in the market or any website

ETCO,

1 8893

rating of ups??

1 3478

Is it possible to connect a dYN1 transformer in parallel with a YNd11 transformer.

4 15902

16kv transformeris stolen in my village.and department is not taking action.then what should i do.any shortcut .please help any idea

1 3526

how can we select the rating of Load break switch that is connected to the primary protection of 200 kva 11kv/415v distribution transformer?? step by step calculated answr pls...thnk.u

Maruti Suzuki,

2 6306

What is difference between VCB and SF6 breaker

4 8692

what is suitable cable for 25 HP motor ? start with VFD ac supply 50 hz

Mac,

3 6418

In HVDC LINE RECTIFIER CONTROL ON CONSTANT CURRENT AND INVERTER CONTROL CONSTANT EXITATION ANGLE CONTROL BUT HOW INVERTER CONTROL CONSTANT CURRENT?

1911

if one potential missing in energy meter , how much % slow the energy meter?

NTPC, SK,

1 5541

Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

Operation carried out in thermal power stations?

1068

What is the classification of hydro projects based on installed capacity?

1139

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

2180

wat is meant by PX class in ct?

1993

why the name trunking bus PT

3012

A 230V dc shunt wound motor has an armature resistance of 0,15Ω.When operating on no load at 650 rev/min the armature current is 6A . The motor takes a full load current of 85A. Calculate the full load speed if the field flux is (i) maintained constant (ii)reduced by 0,03

1965

draw a circuit diagram connecting transformer OLTC- RTCC- VCB-Marshalling Box otherwise Explain in words

22959

Please elaborate th´evenin’s theorem?

1086

what is the minimum requirement gigaohms for the insulation test using 5kv in 300mm xlpe cable

1938

what is a vector protection in transformer

1973

which pump used in WTP explain the function of VFD how to dtermine capacitorbank of capacity one plant

1880

EXPLAIN THE TERMS "INTEREST AND DEPRECIATION" AS APPLIED TO ECONOMICS OF POWER GENERATION.

2264

Installation method of self treated earth electrode.

1979

How does zener phenomenon differ from avalanche breakdown?

1113

I want to calculate how much capacitor we connect to maintain the unity power factor? Is there any formula? Pls give me the answer

1872

For More Un-Answered { Electrical Engineering } Questions Click Here