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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Fault current shall be part of tech specs of power cable or not?.

DAE,

1 2719

What is effect of over voltage and under voltage on ACB

EFS,

1982

Why is tan-delta test and capacitor measurement done on alternator?

TD Power Systems,

2212

Why MCCB is Getting tripped sometimes when there is no load in the Midnight ?

1981

why we store only dc in batteries ?

1 2873

why we dont store the ac power in battery?

TCS,

1 2880

How to synchronization will be done between two DGs ?

1773

what is pmu

Alstom,

1 3277

What is Tan Delta Test

Power Grid,

1 2792

What is the settings of distance protection relay in 400 kv line

Crompton Greaves,

1697

Whai isPCC and MCC Difference?

Pretech Plast,

1 2419

Why earthing is necessary for any equipment?

1724

How we can calculate the life of Lead acid battery

ABC,

1785

A commercial Building is designed with 14th floor levels with indoor substation of three phase transformer with rated capacity of 1000 Kva.The transformer delivered 65% of its rated capacity at 0.67 power factor lagging.Because of low power factor, the power customer was penalized and certain cost was charged accordingly based on every point percentage lower than 85%.This situation may repeatedly happen on the succeding energy bills of power customer.The power customer is desired to improve its historical power factor of 0.67 lagging and no further penalty be impose by the local power company on the next bill. Q: Identify the appropriate solution you want to offer to Client?.Justify SCIENTIFICALLY and MATHEMATICALLY the principles behind the solution.

1795

How much current in 100 kva Transformer HT & LT side

1 2337


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

When MICC cables used ?

2084


how to calculate current carring capacity of cable and cable selection? 1) copper flexible cable 2) copper armoured cable 3) Aluminium cable

1610


hello friends..... any one have papers or any study materials?sail ,hpcl...?

1886


How calculated single phase induction motor req. Capacitor?

1583


A double circuit with dog conductor 66KV Transmission line from wind farm evacuation to feeding substation having capacity of 25MW for transmission. Can same transmission network be considered for further expansion of Power & how much in MW. If we need to expand next 10-15 MW more will there any augmentation is required in transmission network? Kindly reply asap.

2198


please give some hindalco placement papers for written exam

1809


sir i ve applied for hindustan petroleum and power grid india ltd..and the exams on feb 22.can you pls send model papers and tell how to prepare for those.i need to get into any of these for sure.....

2174


what is the difference between c power and U power acb breaker

6415


if the number of poles generated in stator and rotor side of an induction motor are different then what will happen and why?

1883


What is reactance, reluctance,capistance, pls give answeer in hinglish and be simply Jo asani we smajh m aa jaye

2116


can u tell me the promotion from oiller to enginer

1934


why induction motors are rated at 0.8 power factor.

2005


in wind mill use 2100 kw asychronous generator ( induction generator ) rotor voltage : 3300,stator voltage : 690, rpm : 1511 type : MRL063E04 ' we check rotor resistance magger value found following. R-EARTH - 00 M.OHM,Y-EARTH-34 M.OHM,B-EARTH- 33M.OHM R-Y: 31 M.OHM, Y-B: 00 M.OHM,B-R :33 M.OHM HOW CAN I TAKE DECISION?pls ans. quickly

2305


why do we put a transformer on soak before loading it

1143


The power supplied to a 33microF capacitor from a 120V, 60Hz source will be

2156