Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Why do we twist copper to make cable?

Bhel, Integrated, MR Cables,

3 4896

CPC cable .PVC \1C....I want to get sure that type is flexible indoor or to be install on trench. please advice .thanx :)

1409

why the conservater tank alwes made upper side of transformer???

3 4171

what is the criteria for selecting fuse rating in 1phase, 2phase & 3phase welding sets?

1335

can anyone provide me a amf panel control wiring using ec-2 relay?

Electro Tech,

1714

why the projects getting loss?

SBPL,

1420

what are the method of testing of transformer??

NCC,

2 3837

What is SF6 Circuit Breaker?

Amdocs,

2 4323

why we use circuit breakers for switching instead of normal switching device?

1409

what is diffrent between plc and clc??

1 4783

why we cannot protect 100% winding of an alternator by using differential protection?

1727

How to control the dc motor in ac supply without thyristor circuit?

2 4070

what is the acceptable limit value for Desolve Gas Analysis/

1427

which signal we found accurate reading of analog signal or degital signal and why?

1 2334

what is the k var ratting of 1250kva

1501


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Un-Answered Questions { Electrical Engineering }

Under wat condition statcom operates as an inductor for the transmission line?

1418


types of central Air conditioner plant?

1692


what are the specifications we must look at to select a relay for any capacity motor?

1557


If there is major % of Voltage harmonics in the system, how can it be control or reduced?

1555


we have a 2.5hp Starite electric motor water pump,the elec motor burned out,we need to replace starting capacitor(old capacitor specs erased),what microfarad rating capacitor do we need? 110-125V

1340






Please provided formula for calculate the cable size from step up transformer to M.V panel, run overhead aluminum cables, total load is 5mega watt, total length 900 feet.

1287


What are the temperature elements?

701


Wt is the function of reactive power? How it generates & consume though resultant is zero?

1445


what you have to see after one week or month from the day of installation of transformer ?

1217


1. Why is the speed of shunt motor practically constant? 2. Why dc series motor use to start with heavy loads? 3. advantages & disadvantages of separately excited generator over self excited generator?

2026


How is the gain affected by the introduction of feedback in a control system.

728


If you have an earth with pilecap then your resistance is really low. why and how?

1427


sir plz send some previous year questions of jspl.

1465


Is it possible to use a S1 duty class motor for crane application (S4)? If not, why?

1885


how to calculate the size of the HT cable

1406