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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Why do we twist copper to make cable?

Bhel, Integrated, MR Cables,

3 4895

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

 1406

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

 3 4169

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,

1419

what are the method of testing of transformer??

NCC,

2 3836

What is SF6 Circuit Breaker?

Amdocs,

2 4322

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

 1408

what is diffrent between plc and clc??

 1 4783

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

 1725

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

 2 4068

what is the acceptable limit value for Desolve Gas Analysis/

 1426

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

 1 2334

what is the k var ratting of 1250kva

 1500

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Un-Answered Questions { Electrical Engineering }

How to calculate the multiplying factor for energy meter with ct ratio given

1529

why are installed water leakage detection system data centers & server rooms

1839

Explain the iniluencc of short circuit ratio on the pert'orniancc of synchronous machine.

1694

What is the percentage loss for aluminium wire for HT line more than 11KVa

1646

at what basis/standard we have to arrive the current density of aluminium/ copper in busbar?

1646




Is a direct shorth ciruit on a branch MCCB in a Low Voltage Switchboard a correct means of tesing the performance for discrimination?

1756

How capacitor improves pf

1192

A d.c. Shunt motor is found suitable to drive fans because they require?

720

power transmission pole used one support , that only for support or earthing

1413

What is the loss of power of transformer 220kv/33kv,63/80mva of % imp12.05 at 80%load

1382

State the points to be considered for selecting a particular type wiring.

1609

If 24 KVA AVR having Input voltage 200-400v, Output voltage 415+-1%, what will be the voltage if Load is 13A.

1693

Define open loop control system.

671

WHAT IS THE FUNCTION OF SHORT CIRCUIT MAINTENANCE CT

2011

What is the effect of positive feedback on the stability of the systems?

628

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