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Electrical Engineering Interview Questions

what is transformer?

2774

why DC is not generated instead of AC?

5039

Name the instruments which run on DC?

2097

How may I get the maximum current capacity for a particullar size Alluminum or Copper cable if there is compulsion to use?

907

How to decide whether A / B / C / D curve type MCB should be used?

1368

WHY IS wet surface used for grounding???

3027

how to find insulation resistance of a motor(415v) by theoretical formula??

5266

what is the diff.between neutral and earth?

4062

why the iron chains were hanged at the back or front of the trucks earlier which were touching the earth?

2427

Is there such a frequency as 440v 50Hz?

2170

My switchgear busbar is rated at 2000A and just imagine the actual load on busbar is 1000A. From that busbar there are 10 outgoing feeders. Now the question is will the load be 1000A on each outgoing feeder or 100A per outgoing feeder. 2nd thing how do i calculate the load on individual feeder. Thanks for your time. Please provide some clarification on this issue.

3616

hello friends.. I have a doubt regarding the operation of dc machines.. I studied in a text book that a dc machine can be used as a generator and as a motor.. is this possible? If so,please send me the info about this topic.. you can also send your info to my mail.

Bhel, CVL,

1040

what is mean by dual digital protection in the relay field?

ABB,

1022

HOW TO CALCULATE GROUND FAULT CURRENT IN 430V 4000AMP AIR CIRCUIT BREAKER?

4166

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

20034

Un-Answered Questions { Electrical Engineering }

what is the function of anti pumping relays? what is KVAR? How it is generated in alternator? What is 3rd Harmonics? What is IDMT relay?

1390

what is the earth current,reverse power,electrical trip generator short circuit,low voltage, high voltage please discribe me

1162

how we find transformer capacity by ohm

1177

PLEASE INFORM ABOUT THE IDEAL TEST RESULTS OF MAGNETIC BALANCE TEST OF TRANSFORMER 33/11 kv DELTA-STAR T/F

1311

what is mean by parallel operation of permanent magnet generators

992

if any body have question paper of railway (section engineering),then plz send me .i will thank of him/her.

1141

1342

Iwould like to know barc interview questions

2095

How to setting the volume of RTCC panel AVR (11kv) controller

731

Define peak overshoot.

171

Explain Energy and Power signals?

777

When the relative speed between the magnetic fields of stator and rotor does is zero under steady state operation?

220

what is motor capacity of 80TR chiller? and also say what is the formula related temperature, motor capacity, TR?

1324

WHAT IS MOBILE SUB-STATION? & REALLY BENEFIT IN INDIA

1131

What is the use of Surge Capacitor in LAVT?

11775