Electrical Engineering Interview Questions
Questions Answers Views Company eMail

difference between ground,neutral and earth?..

4 4015

what is the difference between switch yard to residential area.and how much required it.

GVK,

1259

Tan delta point in transformer to be earth or not?

DMRC,

1 3663

I have 4 busbar of 1000 ampere. we use 4 busbar to make 4000 ampere in one phase.my problem is that when we applied 60% load on that then busbar produced high noise.what is the reason of that and how can i minimize that noise.

College School Exams Tests,

1278

what is difference between VAT & CST

MIT,

1 2361

Why reactors use before incoming of ac vvfd drive?

1352

how to calculate cable size

1 4806

what is megar testing

NASA,

4 13939

After completing iti in electrician, how can i get certificate of electrical supervisor? What ia requirements. For it?

1256

In our plant we have installed new MCC with ELR and CBCT which is detecting some leakage current in the system but it leading to some confusion when to check that in which feeder which is drawing current we put off the whole panel itself but still CBCT detecting some leakage current so can anybody ans me , where i am going wrong or how to detect whether its actual leakage or CBCT malfunctioning.

Saint Gobain,

1694

How the value of KVAR of capacitor bank used in switchgears calculated??

2 2941

what is linear elements

1 2076

A LT ckt i mean 440 volt flow of current100A.at this time HT current what will ON 11 KV &33 KV.plz givemy answer with example

Neptune,

2 2551

how wecalculate breaking capcity of acb mcb mccb .explain with example

C&S, L&T,

1389

What is tan delta point of transformer?

2 3301


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Un-Answered Questions { Electrical Engineering }

why steady state stability limit is greater than transient stability limit ? How it can be explained ?

2412


how can you calculate fault level ?

1891


WHY TERTIARY OF POWER TRANSFORMERS IS LOADED WITH EQUIPMENTS LIKE CT,PT,ISOLATOR AND CB

1457


Define filter?

638


Define unilateral circuit?

687






what is settable hystersis protection? If any body knows plz kindly post the answer..

1543


What are high pass filter and low pass filter? and What are the flowmeter ?

1494


1. A bomber drops a bomb from an aircraft flying at 2000 km/hr. at an altitude of 7km. The speed at which the bomb will strike the earth would be

1466


what is the differation bewreen kwh & fundamental kwh in electronic trivector meters

1757


What is the difference between Droop vs Isoch Control?

1891


Explain Energy and Power signals?

1270


How do we calculate transformer oil in liter from the rating of the transformer.

1162


What is the diffrence (Technical & Construction ) between CBCT & Normal CT?

1542


how calculate gd2 of ht motors

1820


How I can Compare 120v/60Hz versus 220v/50Hz ? Please tell me both advantage and disadvantage ......

1548