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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

is power factor correction related with vector group of transformer i.e:Dyn11?

1 4223

why the the electrical machine coil are damage ? How to prevent it?

2 4536

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

Shaifali Rolls,

2302

A 12.5 hp slip ring motor taking high initial current and its MPCB is getting open.what may be the reason?

3 5377

What should the transformer connection of a 11/220 kV step up and 66/11 kV step down transformer ?

CGL,

4 8217

What is the function of the circuit breaker failure relay?

2375

What is the function of the auto reclosure relay?

1 5029

in transformer star connection with neutral are shorted. is there is any effect.

1 3567

for a machine R=130 KVA Y=132 KVA B=144 KVA Then what will be the total kva

ABB,

3 6335

why insulators are colured in brown only?

Transco,

3 6719

How does solar power system work?

1 3873

what is mean by NPS (Negative phase sequence)fault? what is the difference between EFR & OCR faults?

TNEB Tamil Nadu Electricity Board, Vestas,

2365

What is the criteria in selecting Air circuit breaker(ACB) & Moulded case circuit breaker(MCCB) for a particular range?

DLF,

3 8368

Does the ELCB or RCCB trip when it is connected to a primary side of a welding transformer?

Tata Motors,

3 10134

how much power consumed by 1.5 ton capacity split A.C in 1 hour

2 4749

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Un-Answered Questions { Electrical Engineering }

why the pf of semiconductor device is improved the electrical devices

1843

which type of cabel

2402

why do motors burn out? I understand why adding parallel loads to a power source means more current moves through the circuit, and can destroy circuit elements by overheating. What about when you have a vaccuum cleaner intake flush against a floor, a room fan sitting directly against a wall, or a power drill trying to drill through something too hard?

2069

WE HAVE THE DC RECTIFIER 1500A, INPUT VOLTAGE IS 3 PHASE. HOW TO CALICULATE THE LOAD? 3 PHASE SIDE EITHER dC SIDE. PLEASE SUGGEST ME

1873

1. what is usage for power factor in industries?? 2.why we need to monitor power factor??

8200

What are factors to be considered while we selecting the Core Balance Current Transformer for Earth fault protection

1875

If SFU is Switch Fuse Unit, What is the expansion for FSHF in Electrical Engineering?

2588

grr resistance & contrator malt continuous

2153

What is self exciting?

1697

What is the gross weight to copper ratio in slip ring induction motor of 4000 HP,6.6 kv, 372amp, 992 rpm GE motor.

2357

IF ANYONE HAVE ANY QUESTION ASK ME AT MY MAIL anmol.bhardwaj5@gmail.com

2089

what can be the causes of capacitor start motor having a higher current that its actual

1967

What happen when change order of CT in GIS feeder?

1650

What is difference between safe PLC and normal PLC

1605

who can measure the size of power cable?

2160

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