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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

haw to calculate resistance of induction motar

1 3744

in an ac series circuit there are 30 bulbs are connected in a serial set.what will happen if one bulb is fused and we removed the bulb and reconnect with the remaining bulbs? (29 bulbs). will the brightness of other bulbs increase or not?

3 8120

how induction motor work as a generator?

2 4462

5MVA TRANSFORMER SUDDENLY FAIL WITH THE PRV TRIPPING AND LARGE AMOUNT OF OIL SPREAD OUT? SO IT CAME BACK WITH THE REPAIRING WITH REASON THAT IT FAILS BCOZ OF TRANSIENT EFFECT? SO PLZ EXPLAIN HOW DOES IT HAPPENED?

1 4282

why neutral busbar size is half of the phase busbar size in control panels

IBS,

1 12814

why resistive load has unity power factor,inductive load lagging and capacitive load leading power factor?

OEG,

3 7355

what is dol starter

1 4094

which is the gas used in tube light?

12 18452

Which motor runs on both ac and ac? a) dc series motor b) reluctance motor

2 5597

Why cables and busbar both needed in LT Panels?

2184

How to do fabrication , busbar and wiring cost for : 1. LT Panels 2. C& R Panel

1920

how do we know the LT or HT panel trip by some broblem which indication willshow

TATA,

2 5230

what is the difference between arc and spark

2 5237

how to decide the panel size like MDB ,SMDB PANEL SIZES

7377

Dear All kindly let me know that I know about the DG Rating for Example 150 KVA,Now how i will know that how much Ampher load it can offoard.

2 4730

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Un-Answered Questions { Electrical Engineering }

What is the maximum operating temperature for a thermoplastic insulated cable?

1127

How to select a transformer group to connect a 0,433 KV generation with 33 KV grid in bi directional flow of current

1557

What is the power factor of an alternator at no load?

1338

if a 3phase 100kva distribution transformer , 400 v,50 hz, 4-wire system is loaded at 160 k.w mostly 1-phase Lighting & Airconditioning split a.c load what will be the net effect on the power system in terms of voltage, powerfactor, current , efficiency of xformer

1896

What is the difference b/w fanuc alpha series 16i and 18i controller. what is stand for i

2074

What are the three constants associated with a steady state error?

1219

Why saturation region slowly shifted in the left side?

1855

Please explain the following and how these are working with PLC unit 1.I/O Module 2.I/O Device 3.Adaptor Card 4.Ribbon Adaptor 5.RS 485-FC

1602

What would be the size of wire used for 2 Ton of window A.C?

1914

How will you justify IR value and Charging voltage of any motor,transformer and Cables.......???? . . . . . . . . Plz tell me any body Baljeet Singh, engineer_89@refiff.com

2122

impliment (AB)`+C to transistor representation

1838

Why it need to form a capcitor when it not been in use from three or two year. Plz describe it technically.

1935

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

2591

how to select electronic timer(Star-Delta) setting for diff. rating motors

1951

Why cables and busbar both needed in LT Panels?

2184

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