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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

If we have a 2000kva load,How much kvar capacitors we go to add to improve the power factor at 0.9?pls give the calculation and fully theory?

ABB, Unitech,

2 7336

what is the kva rating of 20 kv transformer?

1 4763

WHY RATING OF VCB NOT LESS THAN 630A

2582

Hi, what is the temp of bus bar.

1 3730

How many types of Differential protection are there? and what the special arrangement are made at the time of charging of a transformer on the Differential protection?

1 2802

Why DC exitation to AC Generator? Why not AC?

Equate,

2 6329

Which type starter is used for synchronous motor?

Equate,

2 6910

What is infinite Busbar?

Equate,

4 16083

Why neutral point is consider as zero potential?

Equate,

2563

What is Nominal voltage?

Bhel, Equate,

3 9900

What is floating earthing?

Equate,

2 6271

What are the different methodes for calculating the short circuit Current?

Equate,

2008

What will be result if we connect LT votage to the terminal of HT motor?

Equate,

2104

What will be result if we connect LT votage to the terminal of HT Transformer?

Equate,

3 6635

How to select the different contactors ( starter combination) for different AC motors? what about fuse cappacity 4 different motors too?

Equate,

2 6322


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

diff b/w normal grounding and resistance grounding

1894


Please brief what is sinewave

2110


one electromagnet is called

1876


How much depth n width required for laying of 1X70 Sqmm Cable in Desert???

1593


is it true there's a big difference in using Cummins or Denyo...especially power output or leakage

1905


What is the effect on power factor, shown by a trivector meter; incase of reverse phase sequence. If the power factor of a system is lag what meter will show in case of reverse phase sequence connected to the meter. and What in case of lead.

2278


What is the difference between the transmission line and distribution line?

1131


Why it is necessary to isolate fire fighting when you are taking shutdown for lv board.

1600


can anybody send the rrb chennai &rrb bopal question papers of 2006&2007.My exam is on 12 oct 2008.Its urgent

2011


What are the disadvantages of autotransformer?

1079


What is slope...? Explain slope 1 and slope 2...?

1567


Write the force balance equation of m ideal mass element.

1200


what do w do when the output of generator is fluctuating?

2191


How Can I calculate for the photometrics requirements for a street lighting? Data given are: 45 units of 6 meter light pole with 150 watts metal halide lamp, 220 volts and installed in a promenade area.

2055


Application Comparison between 22KV (UE)and 33KV (E) system. Are we allowed to use 33KV (E) cable in lieu of 22KV (UE) cable. What are the technical disadvantages.

2321