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

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 7426

what is the kva rating of 20 kv transformer?

1 4853

WHY RATING OF VCB NOT LESS THAN 630A

2624

Hi, what is the temp of bus bar.

1 3798

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 2878

Why DC exitation to AC Generator? Why not AC?

Equate,

2 6439

Which type starter is used for synchronous motor?

Equate,

2 7005

What is infinite Busbar?

Equate,

4 16216

Why neutral point is consider as zero potential?

Equate,

2634

What is Nominal voltage?

Bhel, Equate,

3 10065

What is floating earthing?

Equate,

2 6368

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

Equate,

2064

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

Equate,

2149

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

Equate,

3 6766

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

Equate,

2 6433

Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

how to find the resistance and gap volatage of the diode??

2067

please send 5yearje solved papers on my email himmatsinghnathawat@gmail.com

1931

1. What is maximum permissible distance between smoke detectors ? 2. How do we decide number of smoke detectors required in a large office, warehouse, hall etc ? 3. What should be maximum height of smoke detectors ? 4. Where do we use heat detector, optical smoke detector, temperature sensitive detector ?

2917

Show the schematic arrangement of diesel power station layout and give its principle of operation.

3043

what is the difference between interconnection and intraconnections in the circuit diagrams

8400

Greeting to all members, How to calculate spill current when we have different ratio CT and Class for REF(Low Imp) I have 500/1A 5P20 @line side n 400/1A CL.X @ Neutral.

3010

WHAT IS DEGREE OF COMPOUNDING IN D.C MACHINE MEANS? HOW TO READ THE OPERATING CHART FOR ANY ELECTRICAL MACHINES?

4876

How to design the earth grid for lightning protection in an industry

4685

how to size H.T & L.T Panel ?

2134

What descriptive information does the NEC require to be marked on all conductors?

2012

how to find 5 kilo meter long under ground 33 kv cable fault location if IR VALUE shows 0.05 M ohm @5000 volt.and cable fault locator shows some time fault distance 3 kilo meter ,3.7 kilo meter and some time 1 kilo meter? now how to find the fault location that where is leakage. note--it is tested with 5000 kv megger and insulation resistance is 0.05 M ohm. and some time 0.03 M ohm comes.

2219

which fault is severe and why?between lll fault and lllg fault which fault is severe and y?

2510

how to determine ct ratio in ht vcb?

1852

I WANT TO INSTALL LIGHTING ARRESTOR ABOVE 20 FEET HEIGHT INDUSTRIAL BUILDING. NOW IT WAS 15 FEET HEIGHT HOW MUCH DISTANCE IT WILL COVER & HOW TO CALCULAT THE DISTANCE COVER BY THE ARRESTOR

2010

what is kondo syatem in eletrical traction

2184

For More Un-Answered { Electrical Engineering } Questions Click Here